225126526 has 8 divisors (see below), whose sum is σ = 348583104. Its totient is φ = 108932160.

The previous prime is 225126523. The next prime is 225126527. The reversal of 225126526 is 625621522.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225126523) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1815475 + ... + 1815598.

It is an arithmetic number, because the mean of its divisors is an integer number (43572888).

Almost surely, 2^225126526 is an apocalyptic number.

225126526 is the 9490-th centered pentagonal number.

225126526 is a deficient number, since it is larger than the sum of its proper divisors (123456578).

225126526 is a wasteful number, since it uses less digits than its factorization.

225126526 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3631106.

The product of its digits is 14400, while the sum is 31.

The square root of 225126526 is about 15004.2169405804. The cubic root of 225126526 is about 608.3341865921.

The spelling of 225126526 in words is "two hundred twenty-five million, one hundred twenty-six thousand, five hundred twenty-six".