220422125 has 32 divisors (see below), whose sum is σ = 342980352. Its totient is φ = 137400000.

The previous prime is 220422101. The next prime is 220422149. The reversal of 220422125 is 521224022.

It is an interprime number because it is at equal distance from previous prime (220422101) and next prime (220422149).

It is not a de Polignac number, because 220422125 - 2¹⁶ = 220356589 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 220422097 and 220422106.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1826 + ... + 21075.

It is an arithmetic number, because the mean of its divisors is an integer number (10718136).

Almost surely, 2^220422125 is an apocalyptic number.

220422125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

220422125 is a deficient number, since it is larger than the sum of its proper divisors (122558227).

220422125 is a wasteful number, since it uses less digits than its factorization.

220422125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22934 (or 22924 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 220422125 is about 14846.6199857072. The cubic root of 220422125 is about 604.0669313501.

Adding to 220422125 its reverse (521224022), we get a palindrome (741646147).

The spelling of 220422125 in words is "two hundred twenty million, four hundred twenty-two thousand, one hundred twenty-five".