400414022 has 16 divisors (see below), whose sum is σ = 650743632. Its totient is φ = 184047360.

The previous prime is 400414019. The next prime is 400414051. The reversal of 400414022 is 220414004.

It is a Harshad number since it is a multiple of its sum of digits (17).

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, 135479 + ... + 138402.

It is an arithmetic number, because the mean of its divisors is an integer number (40671477).

Almost surely, 2^400414022 is an apocalyptic number.

400414022 is a deficient number, since it is larger than the sum of its proper divisors (250329610).

400414022 is a wasteful number, since it uses less digits than its factorization.

400414022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 273943.

The product of its (nonzero) digits is 256, while the sum is 17.

The square root of 400414022 is about 20010.3478730381. The cubic root of 400414022 is about 737.0604237523.

Adding to 400414022 its reverse (220414004), we get a palindrome (620828026).

The spelling of 400414022 in words is "four hundred million, four hundred fourteen thousand, twenty-two".