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2214124444 = 22779075873
BaseRepresentation
bin1000001111111000…
…1101101110011100
312201022021011202001
42003332031232130
514013303440234
61003412212044
7105603514210
oct20376155634
95638234661
102214124444
11a368a7514
1251960a024
1329393860c
141700b6940
15ce5abd14
hex83f8db9c

2214124444 has 12 divisors (see below), whose sum is σ = 4428248944. Its totient is φ = 948910464.

The previous prime is 2214124427. The next prime is 2214124459. The reversal of 2214124444 is 4444214122.

It is a happy number.

2214124444 is an admirable number.

It is a Harshad number since it is a multiple of its sum of digits (28), and also a Moran number because the ratio is a prime number: 79075873 = 2214124444 / (2 + 2 + 1 + 4 + 1 + 2 + 4 + 4 + 4 + 4).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39537909 + ... + 39537964.

Almost surely, 22214124444 is an apocalyptic number.

It is an amenable number.

2214124444 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2214124444 is a wasteful number, since it uses less digits than its factorization.

2214124444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79075884 (or 79075882 counting only the distinct ones).

The product of its digits is 8192, while the sum is 28.

The square root of 2214124444 is about 47054.4837821009. The cubic root of 2214124444 is about 1303.3688646341.

Adding to 2214124444 its reverse (4444214122), we get a palindrome (6658338566).

The spelling of 2214124444 in words is "two billion, two hundred fourteen million, one hundred twenty-four thousand, four hundred forty-four".

Divisors: 1 2 4 7 14 28 79075873 158151746 316303492 553531111 1107062222 2214124444