400570022 has 4 divisors (see below), whose sum is σ = 600855036. Its totient is φ = 200285010.

The previous prime is 400570021. The next prime is 400570039. The reversal of 400570022 is 220075004.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 400569976 and 400570003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (400570021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100142504 + ... + 100142507.

It is an arithmetic number, because the mean of its divisors is an integer number (150213759).

Almost surely, 2^400570022 is an apocalyptic number.

400570022 is a deficient number, since it is larger than the sum of its proper divisors (200285014).

400570022 is a wasteful number, since it uses less digits than its factorization.

400570022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200285013.

The product of its (nonzero) digits is 560, while the sum is 20.

The square root of 400570022 is about 20014.2454766599. The cubic root of 400570022 is about 737.1561301053.

The spelling of 400570022 in words is "four hundred million, five hundred seventy thousand, twenty-two".