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22223210040 = 2332561731139
BaseRepresentation
bin10100101100100110…
…110100011000111000
32010100202220001002100
4110230212310120320
5331003120210130
614113104303400
71414466111553
oct245446643070
963322801070
1022223210040
119474471699
124382611b60
132132174835
14110b68569a
158a101ec60
hex52c9b4638

22223210040 has 48 divisors (see below), whose sum is σ = 72225433800. Its totient is φ = 5926189248.

The previous prime is 22223210039. The next prime is 22223210057. The reversal of 22223210040 is 4001232222.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 22223209995 and 22223210022.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 30865210 + ... + 30865929.

Almost surely, 222223210040 is an apocalyptic number.

22223210040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22223210040 is an abundant number, since it is smaller than the sum of its proper divisors (50002223760).

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

22223210040 is a wasteful number, since it uses less digits than its factorization.

22223210040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61731156 (or 61731149 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

Adding to 22223210040 its reverse (4001232222), we get a palindrome (26224442262).

The spelling of 22223210040 in words is "twenty-two billion, two hundred twenty-three million, two hundred ten thousand, forty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 18 20 24 30 36 40 45 60 72 90 120 180 360 61731139 123462278 185193417 246924556 308655695 370386834 493849112 555580251 617311390 740773668 925967085 1111160502 1234622780 1481547336 1851934170 2222321004 2469245560 2777901255 3703868340 4444642008 5555802510 7407736680 11111605020 22223210040