91225526 has 16 divisors (see below), whose sum is σ = 156949920. Its totient is φ = 38955840.

The previous prime is 91225513. The next prime is 91225571. The reversal of 91225526 is 62552219.

It is a junction number, because it is equal to n+sod(n) for n = 91225492 and 91225501.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7661 + ... + 15528.

It is an arithmetic number, because the mean of its divisors is an integer number (9809370).

Almost surely, 2^91225526 is an apocalyptic number.

91225526 is a deficient number, since it is larger than the sum of its proper divisors (65724394).

91225526 is a wasteful number, since it uses less digits than its factorization.

91225526 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23479.

The product of its digits is 10800, while the sum is 32.

The square root of 91225526 is about 9551.2054736562. The cubic root of 91225526 is about 450.1654140856.

The spelling of 91225526 in words is "ninety-one million, two hundred twenty-five thousand, five hundred twenty-six".