222245554 has 8 divisors (see below), whose sum is σ = 333475740. Its totient is φ = 111086976.

The previous prime is 222245537. The next prime is 222245587. The reversal of 222245554 is 455542222.

It can be written as a sum of positive squares in 2 ways, for example, as 192793225 + 29452329 = 13885^2 + 5427^2 .

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

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, 9319 + ... + 23050.

Almost surely, 2^222245554 is an apocalyptic number.

222245554 is a deficient number, since it is larger than the sum of its proper divisors (111230186).

222245554 is a wasteful number, since it uses less digits than its factorization.

222245554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35804.

The product of its digits is 32000, while the sum is 31.

The square root of 222245554 is about 14907.9024010757. The cubic root of 222245554 is about 605.7280618625.

Adding to 222245554 its reverse (455542222), we get a palindrome (677787776).

The spelling of 222245554 in words is "two hundred twenty-two million, two hundred forty-five thousand, five hundred fifty-four".