225920276 has 12 divisors (see below), whose sum is σ = 418617108. Its totient is φ = 106315392.

The previous prime is 225920269. The next prime is 225920309. The reversal of 225920276 is 672029522.

225920276 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 78783376 + 147136900 = 8876^2 + 12130^2 .

It is a super-2 number, since 2×225920276² = 102079942215832352, which contains 22 as substring.

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

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, 1661111 + ... + 1661246.

It is an arithmetic number, because the mean of its divisors is an integer number (34884759).

Almost surely, 2^225920276 is an apocalyptic number.

It is an amenable number.

225920276 is a deficient number, since it is larger than the sum of its proper divisors (192696832).

225920276 is a wasteful number, since it uses less digits than its factorization.

225920276 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3322378 (or 3322376 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 35.

The square root of 225920276 is about 15030.6445636905. The cubic root of 225920276 is about 609.0483018698.

Adding to 225920276 its reverse (672029522), we get a palindrome (897949798).

The spelling of 225920276 in words is "two hundred twenty-five million, nine hundred twenty thousand, two hundred seventy-six".