222426097921 has 8 divisors (see below), whose sum is σ = 236825687520. Its totient is φ = 208172697408.

The previous prime is 222426097919. The next prime is 222426097951. The reversal of 222426097921 is 129790624222.

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 222426097921 - 2¹ = 222426097919 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222426097951) 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, 36544131 + ... + 36550216.

It is an arithmetic number, because the mean of its divisors is an integer number (29603210940).

Almost surely, 2^222426097921 is an apocalyptic number.

It is an amenable number.

222426097921 is a deficient number, since it is larger than the sum of its proper divisors (14399589599).

222426097921 is a wasteful number, since it uses less digits than its factorization.

222426097921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73094543.

The product of its (nonzero) digits is 435456, while the sum is 46.

The spelling of 222426097921 in words is "two hundred twenty-two billion, four hundred twenty-six million, ninety-seven thousand, nine hundred twenty-one".