422333223021 has 32 divisors (see below), whose sum is σ = 642729446400. Its totient is φ = 273886038720.

The previous prime is 422333223007. The next prime is 422333223031. The reversal of 422333223021 is 120322333224.

422333223021 is a `hidden beast` number, since 4 + 2 + 2 + 33 + 322 + 302 + 1 = 666.

It is not a de Polignac number, because 422333223021 - 2⁷ = 422333222893 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422333223031) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4782415 + ... + 4869923.

It is an arithmetic number, because the mean of its divisors is an integer number (20085295200).

Almost surely, 2^422333223021 is an apocalyptic number.

It is an amenable number.

422333223021 is a deficient number, since it is larger than the sum of its proper divisors (220396223379).

422333223021 is a wasteful number, since it uses less digits than its factorization.

422333223021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92386 (or 92380 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 27.

Adding to 422333223021 its reverse (120322333224), we get a palindrome (542655556245).

The spelling of 422333223021 in words is "four hundred twenty-two billion, three hundred thirty-three million, two hundred twenty-three thousand, twenty-one".