22075627442 has 18 divisors (see below), whose sum is σ = 36401230047. Its totient is φ = 10033325500.

The previous prime is 22075627433. The next prime is 22075627477. The reversal of 22075627442 is 24472657022.

It can be written as a sum of positive squares in only one way, i.e., 11037813721 + 11037813721 = 105061^2 + 105061^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=105061.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22075627442.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 2306567 + ... + 2316117.

Almost surely, 2^22075627442 is an apocalyptic number.

22075627442 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

22075627442 is a deficient number, since it is larger than the sum of its proper divisors (14325602605).

22075627442 is an frugal number, since it uses more digits than its factorization.

22075627442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19126 (or 9564 counting only the distinct ones).

The product of its (nonzero) digits is 376320, while the sum is 41.

The spelling of 22075627442 in words is "twenty-two billion, seventy-five million, six hundred twenty-seven thousand, four hundred forty-two".