422031431200 has 36 divisors (see below), whose sum is σ = 1030284233370. Its totient is φ = 168812572160.

The previous prime is 422031431197. The next prime is 422031431207. The reversal of 422031431200 is 2134130224.

It can be written as a sum of positive squares in 3 ways, for example, as 174493340176 + 247538091024 = 417724^2 + 497532^2 .

It is a super-2 number, since 2×422031431200² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (422031431207) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 263768845 + ... + 263770444.

Almost surely, 2^422031431200 is an apocalyptic number.

422031431200 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

422031431200 is an abundant number, since it is smaller than the sum of its proper divisors (608252802170).

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

422031431200 is a wasteful number, since it uses less digits than its factorization.

422031431200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 527539309 (or 527539296 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 422031431200 its reverse (2134130224), we get a palindrome (424165561424).

The spelling of 422031431200 in words is "four hundred twenty-two billion, thirty-one million, four hundred thirty-one thousand, two hundred".