22054620242 has 18 divisors (see below), whose sum is σ = 33329168613. Its totient is φ = 10945506552.

The previous prime is 22054620241. The next prime is 22054620299. The reversal of 22054620242 is 24202645022.

It can be written as a sum of positive squares in 2 ways, for example, as 17349894961 + 4704725281 = 131719^2 + 68591^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=105011.

It is a super-2 number, since 2×22054620242² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22054620241) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 36333503 + ... + 36334109.

Almost surely, 2^22054620242 is an apocalyptic number.

22054620242 is a deficient number, since it is larger than the sum of its proper divisors (11274548371).

22054620242 is an frugal number, since it uses more digits than its factorization.

22054620242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1562 (or 782 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 29.

The spelling of 22054620242 in words is "twenty-two billion, fifty-four million, six hundred twenty thousand, two hundred forty-two".