22457555121 has 8 divisors (see below), whose sum is σ = 29954154240. Its totient is φ = 14966329712.

The previous prime is 22457555111. The next prime is 22457555129. The reversal of 22457555121 is 12155575422.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22457555121 - 2¹³ = 22457546929 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 22457555121.

It is not an unprimeable number, because it can be changed into a prime (22457555129) 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, 1333665 + ... + 1350398.

It is an arithmetic number, because the mean of its divisors is an integer number (3744269280).

Almost surely, 2^22457555121 is an apocalyptic number.

It is an amenable number.

22457555121 is a deficient number, since it is larger than the sum of its proper divisors (7496599119).

22457555121 is a wasteful number, since it uses less digits than its factorization.

22457555121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2686855.

The product of its digits is 140000, while the sum is 39.

The spelling of 22457555121 in words is "twenty-two billion, four hundred fifty-seven million, five hundred fifty-five thousand, one hundred twenty-one".