222550005 has 32 divisors (see below), whose sum is σ = 368615808. Its totient is φ = 114566400.

The previous prime is 222549989. The next prime is 222550019. The reversal of 222550005 is 500055222.

It is not a de Polignac number, because 222550005 - 2⁴ = 222549989 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 71175 + ... + 74235.

It is an arithmetic number, because the mean of its divisors is an integer number (11519244).

Almost surely, 2^222550005 is an apocalyptic number.

It is an amenable number.

222550005 is a deficient number, since it is larger than the sum of its proper divisors (146065803).

222550005 is a wasteful number, since it uses less digits than its factorization.

222550005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3237.

The product of its (nonzero) digits is 1000, while the sum is 21.

The square root of 222550005 is about 14918.1099674188. The cubic root of 222550005 is about 606.0045283893.

The spelling of 222550005 in words is "two hundred twenty-two million, five hundred fifty thousand, five".