402022244146 has 32 divisors (see below), whose sum is σ = 626244180912. Its totient is φ = 193398865920.

The previous prime is 402022244093. The next prime is 402022244147. The reversal of 402022244146 is 641442220204.

It can be written as a sum of positive squares in 8 ways, for example, as 356188144225 + 45834099921 = 596815^2 + 214089^2 .

It is not an unprimeable number, because it can be changed into a prime (402022244147) 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, 8712616 + ... + 8758636.

Almost surely, 2^402022244146 is an apocalyptic number.

402022244146 is a deficient number, since it is larger than the sum of its proper divisors (224221936766).

402022244146 is a wasteful number, since it uses less digits than its factorization.

402022244146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47374.

The product of its (nonzero) digits is 24576, while the sum is 31.

The spelling of 402022244146 in words is "four hundred two billion, twenty-two million, two hundred forty-four thousand, one hundred forty-six".