1022566431432 has 128 divisors (see below), whose sum is σ = 3152010758400. Its totient is φ = 269203350528.

The previous prime is 1022566431407. The next prime is 1022566431437. The reversal of 1022566431432 is 2341346652201.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (1022566431437) 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, 796194 + ... + 1636782.

It is an arithmetic number, because the mean of its divisors is an integer number (24625084050).

Almost surely, 2^{1022566431432} is an apocalyptic number.

1022566431432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1022566431432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1576005379200).

1022566431432 is an abundant number, since it is smaller than the sum of its proper divisors (2129444326968).

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

1022566431432 is a wasteful number, since it uses less digits than its factorization.

1022566431432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 841175 (or 841171 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 39.

The spelling of 1022566431432 in words is "one trillion, twenty-two billion, five hundred sixty-six million, four hundred thirty-one thousand, four hundred thirty-two".