401622342 has 32 divisors (see below), whose sum is σ = 922389120. Its totient is φ = 115297920.

The previous prime is 401622337. The next prime is 401622349. The reversal of 401622342 is 243226104.

It is a super-2 number, since 2×401622342² = 322601011187129928, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401622349) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 158883 + ... + 161390.

It is an arithmetic number, because the mean of its divisors is an integer number (28824660).

Almost surely, 2^401622342 is an apocalyptic number.

401622342 is an abundant number, since it is smaller than the sum of its proper divisors (520766778).

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

401622342 is a wasteful number, since it uses less digits than its factorization.

401622342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 320308.

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 401622342 is about 20040.5175082881. The cubic root of 401622342 is about 737.8010825444.

Adding to 401622342 its reverse (243226104), we get a palindrome (644848446).

The spelling of 401622342 in words is "four hundred one million, six hundred twenty-two thousand, three hundred forty-two".