226629740 has 24 divisors (see below), whose sum is σ = 476364672. Its totient is φ = 90567680.

The previous prime is 226629721. The next prime is 226629761. The reversal of 226629740 is 47926622.

It is a happy number.

It is a super-2 number, since 2×226629740² = 102722078104935200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 226629694 and 226629703.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19685 + ... + 28995.

It is an arithmetic number, because the mean of its divisors is an integer number (19848528).

Almost surely, 2^226629740 is an apocalyptic number.

226629740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

226629740 is an abundant number, since it is smaller than the sum of its proper divisors (249734932).

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

226629740 is a wasteful number, since it uses less digits than its factorization.

226629740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10537 (or 10535 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 38.

The square root of 226629740 is about 15054.2266490179. The cubic root of 226629740 is about 609.6851730260.

The spelling of 226629740 in words is "two hundred twenty-six million, six hundred twenty-nine thousand, seven hundred forty".