222625497 has 4 divisors (see below), whose sum is σ = 296834000. Its totient is φ = 148416996.

The previous prime is 222625471. The next prime is 222625499. The reversal of 222625497 is 794526222.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 222625497 - 2⁶ = 222625433 is a prime.

It is a super-2 number, since 2×222625497² = 99124223828994018, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222625499) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37104247 + ... + 37104252.

It is an arithmetic number, because the mean of its divisors is an integer number (74208500).

Almost surely, 2^222625497 is an apocalyptic number.

It is an amenable number.

222625497 is a deficient number, since it is larger than the sum of its proper divisors (74208503).

222625497 is an equidigital number, since it uses as much as digits as its factorization.

222625497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74208502.

The product of its digits is 120960, while the sum is 39.

The square root of 222625497 is about 14920.6399661677. The cubic root of 222625497 is about 606.0730423127.

The spelling of 222625497 in words is "two hundred twenty-two million, six hundred twenty-five thousand, four hundred ninety-seven".