1022865929925 has 24 divisors (see below), whose sum is σ = 1932729529536. Its totient is φ = 467595853440.

The previous prime is 1022865929909. The next prime is 1022865929933. The reversal of 1022865929925 is 5299295682201.

It is not a de Polignac number, because 1022865929925 - 2⁴ = 1022865929909 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 974157504 + ... + 974158553.

It is an arithmetic number, because the mean of its divisors is an integer number (80530397064).

Almost surely, 2^{1022865929925} is an apocalyptic number.

1022865929925 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1022865929925 is a deficient number, since it is larger than the sum of its proper divisors (909863599611).

1022865929925 is a wasteful number, since it uses less digits than its factorization.

1022865929925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1948316077 (or 1948316072 counting only the distinct ones).

The product of its (nonzero) digits is 13996800, while the sum is 60.

The spelling of 1022865929925 in words is "one trillion, twenty-two billion, eight hundred sixty-five million, nine hundred twenty-nine thousand, nine hundred twenty-five".