401522236 has 12 divisors (see below), whose sum is σ = 703081512. Its totient is φ = 200641808.

The previous prime is 401522207. The next prime is 401522237. The reversal of 401522236 is 632225104.

It is a super-2 number, since 2×401522236² = 322440212004879392, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 401522236.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401522237) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22030 + ... + 35893.

It is an arithmetic number, because the mean of its divisors is an integer number (58590126).

Almost surely, 2^401522236 is an apocalyptic number.

It is an amenable number.

401522236 is a deficient number, since it is larger than the sum of its proper divisors (301559276).

401522236 is a wasteful number, since it uses less digits than its factorization.

401522236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59660 (or 59658 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 401522236 is about 20038.0197624416. The cubic root of 401522236 is about 737.7397774785.

The spelling of 401522236 in words is "four hundred one million, five hundred twenty-two thousand, two hundred thirty-six".