400350022 has 16 divisors (see below), whose sum is σ = 612541440. Its totient is φ = 196178112.

The previous prime is 400350019. The next prime is 400350047. The reversal of 400350022 is 220053004.

It is a junction number, because it is equal to n+sod(n) for n = 400349978 and 400350005.

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, 134098 + ... + 137050.

It is an arithmetic number, because the mean of its divisors is an integer number (38283840).

Almost surely, 2^400350022 is an apocalyptic number.

400350022 is a deficient number, since it is larger than the sum of its proper divisors (212191418).

400350022 is a wasteful number, since it uses less digits than its factorization.

400350022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4287.

The product of its (nonzero) digits is 240, while the sum is 16.

The square root of 400350022 is about 20008.7486365340. The cubic root of 400350022 is about 737.0211524165.

The spelling of 400350022 in words is "four hundred million, three hundred fifty thousand, twenty-two".