30220215425 has 24 divisors (see below), whose sum is σ = 38415874560. Its totient is φ = 23568796800.

The previous prime is 30220215383. The next prime is 30220215449. The reversal of 30220215425 is 52451202203.

It is a de Polignac number, because none of the positive numbers 2^k-30220215425 is a prime.

It is a super-2 number, since 2×30220215425² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 30220215394 and 30220215403.

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, 1448216 + ... + 1468934.

It is an arithmetic number, because the mean of its divisors is an integer number (1600661440).

Almost surely, 2^30220215425 is an apocalyptic number.

It is an amenable number.

30220215425 is a deficient number, since it is larger than the sum of its proper divisors (8195659135).

30220215425 is a wasteful number, since it uses less digits than its factorization.

30220215425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22193 (or 22188 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 26.

Adding to 30220215425 its reverse (52451202203), we get a palindrome (82671417628).

The spelling of 30220215425 in words is "thirty billion, two hundred twenty million, two hundred fifteen thousand, four hundred twenty-five".