222625250 has 16 divisors (see below), whose sum is σ = 416754936. Its totient is φ = 89050000.

The previous prime is 222625219. The next prime is 222625259. The reversal of 222625250 is 52526222.

It can be written as a sum of positive squares in 4 ways, for example, as 45549001 + 177076249 = 6749^2 + 13307^2 .

It is not an unprimeable number, because it can be changed into a prime (222625259) 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, 445001 + ... + 445500.

Almost surely, 2^222625250 is an apocalyptic number.

222625250 is a deficient number, since it is larger than the sum of its proper divisors (194129686).

222625250 is an equidigital number, since it uses as much as digits as its factorization.

222625250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 890518 (or 890508 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 222625250 is about 14920.6316890405. The cubic root of 222625250 is about 606.0728181693.

The spelling of 222625250 in words is "two hundred twenty-two million, six hundred twenty-five thousand, two hundred fifty".