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4222222444144 = 243718139404047
BaseRepresentation
bin111101011100010000000…
…100011010011001110000
3112221122021221102111220101
4331130100010122121300
51023134102421203034
612551355012122144
7614021415422035
oct75342004323160
915848257374811
104222222444144
1113886a8550a91
12582365906354
13248200081933
141084dc94738c
1574c6a34c514
hex3d71011a670

4222222444144 has 40 divisors (see below), whose sum is σ = 8448070275008. Its totient is φ = 2042705744640.

The previous prime is 4222222444123. The next prime is 4222222444147. The reversal of 4222222444144 is 4414442222224.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4222222444147) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19594872 + ... + 19809175.

Almost surely, 24222222444144 is an apocalyptic number.

It is an amenable number.

4222222444144 is an abundant number, since it is smaller than the sum of its proper divisors (4225847830864).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4222222444144 is a wasteful number, since it uses less digits than its factorization.

4222222444144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39404273 (or 39404267 counting only the distinct ones).

The product of its digits is 262144, while the sum is 37.

Adding to 4222222444144 its reverse (4414442222224), we get a palindrome (8636664666368).

The spelling of 4222222444144 in words is "four trillion, two hundred twenty-two billion, two hundred twenty-two million, four hundred forty-four thousand, one hundred forty-four".

Divisors: 1 2 4 8 16 37 74 148 181 296 362 592 724 1448 2896 6697 13394 26788 53576 107152 39404047 78808094 157616188 315232376 630464752 1457949739 2915899478 5831798956 7132132507 11663597912 14264265014 23327195824 28528530028 57057060056 114114120112 263888902759 527777805518 1055555611036 2111111222072 4222222444144