10221772425 has 24 divisors (see below), whose sum is σ = 16921568736. Its totient is φ = 5444653440.

The previous prime is 10221772411. The next prime is 10221772441. The reversal of 10221772425 is 52427712201.

10221772425 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 10221772425 - 2¹⁹ = 10221248137 is a prime.

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, 27564 + ... + 145613.

It is an arithmetic number, because the mean of its divisors is an integer number (705065364).

Almost surely, 2^10221772425 is an apocalyptic number.

10221772425 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

10221772425 is a deficient number, since it is larger than the sum of its proper divisors (6699796311).

10221772425 is a wasteful number, since it uses less digits than its factorization.

10221772425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173977 (or 173972 counting only the distinct ones).

The product of its (nonzero) digits is 15680, while the sum is 33.

The spelling of 10221772425 in words is "ten billion, two hundred twenty-one million, seven hundred seventy-two thousand, four hundred twenty-five".