226602640 has 40 divisors (see below), whose sum is σ = 574748928. Its totient is φ = 82400640.

The previous prime is 226602637. The next prime is 226602661. The reversal of 226602640 is 46206622.

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 226602599 and 226602608.

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, 127872 + ... + 129631.

Almost surely, 2^226602640 is an apocalyptic number.

226602640 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

226602640 is an abundant number, since it is smaller than the sum of its proper divisors (348146288).

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

226602640 is a wasteful number, since it uses less digits than its factorization.

226602640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 257527 (or 257521 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

The square root of 226602640 is about 15053.3265426616. The cubic root of 226602640 is about 609.6608703509.

The spelling of 226602640 in words is "two hundred twenty-six million, six hundred two thousand, six hundred forty".