22342021425 has 36 divisors (see below), whose sum is σ = 41499166800. Its totient is φ = 11915741520.

The previous prime is 22342021381. The next prime is 22342021459. The reversal of 22342021425 is 52412024322.

22342021425 is a `hidden beast` number, since 2 + 2 + 3 + 420 + 214 + 25 = 666.

It is not a de Polignac number, because 22342021425 - 2¹² = 22342017329 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1832775 + ... + 1844924.

Almost surely, 2^22342021425 is an apocalyptic number.

22342021425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22342021425 is a deficient number, since it is larger than the sum of its proper divisors (19157145375).

22342021425 is an equidigital number, since it uses as much as digits as its factorization.

22342021425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3677724 (or 3677707 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 27.

Adding to 22342021425 its reverse (52412024322), we get a palindrome (74754045747).

The spelling of 22342021425 in words is "twenty-two billion, three hundred forty-two million, twenty-one thousand, four hundred twenty-five".