30421722925 has 24 divisors (see below), whose sum is σ = 41256100512. Its totient is φ = 22069080000.

The previous prime is 30421722923. The next prime is 30421722937. The reversal of 30421722925 is 52922712403.

It is not a de Polignac number, because 30421722925 - 2¹ = 30421722923 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30421722923) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 30151 + ... + 248500.

It is an arithmetic number, because the mean of its divisors is an integer number (1719004188).

Almost surely, 2^30421722925 is an apocalyptic number.

It is an amenable number.

30421722925 is a deficient number, since it is larger than the sum of its proper divisors (10834377587).

30421722925 is a wasteful number, since it uses less digits than its factorization.

30421722925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 279069 (or 279064 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 37.

The spelling of 30421722925 in words is "thirty billion, four hundred twenty-one million, seven hundred twenty-two thousand, nine hundred twenty-five".