220022220425 has 24 divisors (see below), whose sum is σ = 312158669376. Its totient is φ = 150700242240.

The previous prime is 220022220413. The next prime is 220022220427. The reversal of 220022220425 is 524022220022.

It is a de Polignac number, because none of the positive numbers 2^k-220022220425 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 220022220425.

It is not an unprimeable number, because it can be changed into a prime (220022220427) 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, 563327 + ... + 870276.

It is an arithmetic number, because the mean of its divisors is an integer number (13006611224).

Almost surely, 2^220022220425 is an apocalyptic number.

220022220425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

220022220425 is a deficient number, since it is larger than the sum of its proper divisors (92136448951).

220022220425 is a wasteful number, since it uses less digits than its factorization.

220022220425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1434497 (or 1434492 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 23.

Adding to 220022220425 its reverse (524022220022), we get a palindrome (744044440447).

The spelling of 220022220425 in words is "two hundred twenty billion, twenty-two million, two hundred twenty thousand, four hundred twenty-five".