226640532 has 24 divisors (see below), whose sum is σ = 559935936. Its totient is φ = 71102848.

The previous prime is 226640527. The next prime is 226640563. The reversal of 226640532 is 235046622.

It is a self number, because there is not a number n which added to its sum of digits gives 226640532.

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, 555288 + ... + 555695.

It is an arithmetic number, because the mean of its divisors is an integer number (23330664).

Almost surely, 2^226640532 is an apocalyptic number.

It is an amenable number.

226640532 is an abundant number, since it is smaller than the sum of its proper divisors (333295404).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

226640532 is a wasteful number, since it uses less digits than its factorization.

226640532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1111007 (or 1111005 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 30.

The square root of 226640532 is about 15054.5850822930. The cubic root of 226640532 is about 609.6948505113.

The spelling of 226640532 in words is "two hundred twenty-six million, six hundred forty thousand, five hundred thirty-two".