422212125 has 16 divisors (see below), whose sum is σ = 702561600. Its totient is φ = 225179600.

The previous prime is 422212123. The next prime is 422212163. The reversal of 422212125 is 521212224.

It is not a de Polignac number, because 422212125 - 2¹ = 422212123 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422212123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 562575 + ... + 563324.

It is an arithmetic number, because the mean of its divisors is an integer number (43910100).

Almost surely, 2^422212125 is an apocalyptic number.

It is an amenable number.

422212125 is a deficient number, since it is larger than the sum of its proper divisors (280349475).

422212125 is a wasteful number, since it uses less digits than its factorization.

422212125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1125917 (or 1125907 counting only the distinct ones).

The product of its digits is 640, while the sum is 21.

The square root of 422212125 is about 20547.8009772335. The cubic root of 422212125 is about 750.1997245865.

Adding to 422212125 its reverse (521212224), we get a palindrome (943424349).

Subtracting 422212125 from its reverse (521212224), we obtain a palindrome (99000099).

The spelling of 422212125 in words is "four hundred twenty-two million, two hundred twelve thousand, one hundred twenty-five".