222500426 has 8 divisors (see below), whose sum is σ = 334014624. Its totient is φ = 111162220.

The previous prime is 222500407. The next prime is 222500429. The reversal of 222500426 is 624005222.

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

It is not an unprimeable number, because it can be changed into a prime (222500429) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40790 + ... + 45921.

It is an arithmetic number, because the mean of its divisors is an integer number (41751828).

Almost surely, 2^222500426 is an apocalyptic number.

222500426 is a deficient number, since it is larger than the sum of its proper divisors (111514198).

222500426 is a wasteful number, since it uses less digits than its factorization.

222500426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87996.

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 222500426 is about 14916.4481697219. The cubic root of 222500426 is about 605.9595237773.

Adding to 222500426 its reverse (624005222), we get a palindrome (846505648).

The spelling of 222500426 in words is "two hundred twenty-two million, five hundred thousand, four hundred twenty-six".