21022825414078 has 16 divisors (see below), whose sum is σ = 32368531406400. Its totient is φ = 10236727188000.

The previous prime is 21022825414069. The next prime is 21022825414093. The reversal of 21022825414078 is 87041452822012.

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, 853048278 + ... + 853072921.

It is an arithmetic number, because the mean of its divisors is an integer number (2023033212900).

Almost surely, 2^{21022825414078} is an apocalyptic number.

21022825414078 is a deficient number, since it is larger than the sum of its proper divisors (11345705992322).

21022825414078 is a wasteful number, since it uses less digits than its factorization.

21022825414078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1706121363.

The product of its (nonzero) digits is 573440, while the sum is 46.

The spelling of 21022825414078 in words is "twenty-one trillion, twenty-two billion, eight hundred twenty-five million, four hundred fourteen thousand, seventy-eight".