402254226 has 24 divisors (see below), whose sum is σ = 950783184. Its totient is φ = 121895160.

The previous prime is 402254197. The next prime is 402254231. The reversal of 402254226 is 622452204.

It is a happy number.

402254226 is a `hidden beast` number, since 402 + 254 + 2 + 2 + 6 = 666.

It is a super-3 number, since 3×402254226³ (a number of 27 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 402254226.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1015596 + ... + 1015991.

It is an arithmetic number, because the mean of its divisors is an integer number (39615966).

Almost surely, 2^402254226 is an apocalyptic number.

402254226 is an abundant number, since it is smaller than the sum of its proper divisors (548528958).

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

402254226 is a wasteful number, since it uses less digits than its factorization.

402254226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2031606 (or 2031603 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 27.

The square root of 402254226 is about 20056.2764739620. The cubic root of 402254226 is about 738.1878143621.

The spelling of 402254226 in words is "four hundred two million, two hundred fifty-four thousand, two hundred twenty-six".