400433022 has 24 divisors (see below), whose sum is σ = 946478520. Its totient is φ = 121343280.

The previous prime is 400432987. The next prime is 400433023. The reversal of 400433022 is 220334004.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 400432986 and 400433004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (400433023) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1010997 + ... + 1011392.

It is an arithmetic number, because the mean of its divisors is an integer number (39436605).

Almost surely, 2^400433022 is an apocalyptic number.

400433022 is an abundant number, since it is smaller than the sum of its proper divisors (546045498).

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

400433022 is a wasteful number, since it uses less digits than its factorization.

400433022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2022408 (or 2022405 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

The square root of 400433022 is about 20010.8226217714. The cubic root of 400433022 is about 737.0720816246.

Adding to 400433022 its reverse (220334004), we get a palindrome (620767026).

The spelling of 400433022 in words is "four hundred million, four hundred thirty-three thousand, twenty-two".