402422224020 has 48 divisors (see below), whose sum is σ = 1126926597888. Its totient is φ = 107298843520.

The previous prime is 402422224019. The next prime is 402422224069. The reversal of 402422224020 is 20422224204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46885 + ... + 898355.

It is an arithmetic number, because the mean of its divisors is an integer number (23477637456).

Almost surely, 2^402422224020 is an apocalyptic number.

It is an amenable number.

402422224020 is an abundant number, since it is smaller than the sum of its proper divisors (724504373868).

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

402422224020 is a wasteful number, since it uses less digits than its factorization.

402422224020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 859360 (or 859358 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 24.

Adding to 402422224020 its reverse (20422224204), we get a palindrome (422844448224).

The spelling of 402422224020 in words is "four hundred two billion, four hundred twenty-two million, two hundred twenty-four thousand, twenty".