401550422 has 96 divisors (see below), whose sum is σ = 799414272. Its totient is φ = 147768192.

The previous prime is 401550407. The next prime is 401550437. The reversal of 401550422 is 224055104.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (401550407) and next prime (401550437).

It is a super-2 number, since 2×401550422² = 322485482816756168, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2557568 + ... + 2557724.

It is an arithmetic number, because the mean of its divisors is an integer number (8327232).

Almost surely, 2^401550422 is an apocalyptic number.

401550422 is a deficient number, since it is larger than the sum of its proper divisors (397863850).

401550422 is a wasteful number, since it uses less digits than its factorization.

401550422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262 (or 249 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 23.

The square root of 401550422 is about 20038.7230631096. The cubic root of 401550422 is about 737.7570396580.

The spelling of 401550422 in words is "four hundred one million, five hundred fifty thousand, four hundred twenty-two".