225040922 has 4 divisors (see below), whose sum is σ = 337561386. Its totient is φ = 112520460.

The previous prime is 225040913. The next prime is 225040931. The reversal of 225040922 is 229040522.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 229040522 = 2 ⋅114520261.

It is an interprime number because it is at equal distance from previous prime (225040913) and next prime (225040931).

It can be written as a sum of positive squares in only one way, i.e., 199346161 + 25694761 = 14119^2 + 5069^2 .

It is a super-2 number, since 2×225040922² = 101286833149220168, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 225040891 and 225040900.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56260229 + ... + 56260232.

Almost surely, 2^225040922 is an apocalyptic number.

225040922 is a deficient number, since it is larger than the sum of its proper divisors (112520464).

225040922 is a wasteful number, since it uses less digits than its factorization.

225040922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112520463.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 225040922 is about 15001.3640046497. The cubic root of 225040922 is about 608.2570707843.

The spelling of 225040922 in words is "two hundred twenty-five million, forty thousand, nine hundred twenty-two".