222590454 has 8 divisors (see below), whose sum is σ = 445180920. Its totient is φ = 74196816.

The previous prime is 222590419. The next prime is 222590461. The reversal of 222590454 is 454095222.

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

222590454 is an admirable number.

It is a super-2 number, since 2×222590454² = 99093020423852232, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18549199 + ... + 18549210.

It is an arithmetic number, because the mean of its divisors is an integer number (55647615).

Almost surely, 2^222590454 is an apocalyptic number.

222590454 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

222590454 is a wasteful number, since it uses less digits than its factorization.

222590454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37098414.

The product of its (nonzero) digits is 28800, while the sum is 33.

The square root of 222590454 is about 14919.4656070517. The cubic root of 222590454 is about 606.0412404266.

The spelling of 222590454 in words is "two hundred twenty-two million, five hundred ninety thousand, four hundred fifty-four".