402427226 has 8 divisors (see below), whose sum is σ = 603755424. Its totient is φ = 201175420.

The previous prime is 402427217. The next prime is 402427241. The reversal of 402427226 is 622724204.

It is a happy number.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3320 + ... + 28563.

It is an arithmetic number, because the mean of its divisors is an integer number (75469428).

Almost surely, 2^402427226 is an apocalyptic number.

402427226 is a deficient number, since it is larger than the sum of its proper divisors (201328198).

402427226 is a wasteful number, since it uses less digits than its factorization.

402427226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38196.

The product of its (nonzero) digits is 10752, while the sum is 29.

The square root of 402427226 is about 20060.5888747065. The cubic root of 402427226 is about 738.2936248837.

The spelling of 402427226 in words is "four hundred two million, four hundred twenty-seven thousand, two hundred twenty-six".