1022421252432 has 40 divisors (see below), whose sum is σ = 2641941954496. Its totient is φ = 340718432256.

The previous prime is 1022421252407. The next prime is 1022421252553. The reversal of 1022421252432 is 2342521242201.

It is a self number, because there is not a number n which added to its sum of digits gives 1022421252432.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2583793 + ... + 2953104.

Almost surely, 2^{1022421252432} is an apocalyptic number.

1022421252432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1022421252432 is an abundant number, since it is smaller than the sum of its proper divisors (1619520702064).

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

1022421252432 is a wasteful number, since it uses less digits than its factorization.

1022421252432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5540755 (or 5540749 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 30.

Adding to 1022421252432 its reverse (2342521242201), we get a palindrome (3364942494633).

The spelling of 1022421252432 in words is "one trillion, twenty-two billion, four hundred twenty-one million, two hundred fifty-two thousand, four hundred thirty-two".