4222630525 has 12 divisors (see below), whose sum is σ = 5236882452. Its totient is φ = 3377575040.

The previous prime is 4222630519. The next prime is 4222630589. The reversal of 4222630525 is 5250362224.

It can be written as a sum of positive squares in 6 ways, for example, as 94439524 + 4128191001 = 9718^2 + 64251^2 .

It is a de Polignac number, because none of the positive numbers 2^k-4222630525 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 260457 + ... + 276193.

It is an arithmetic number, because the mean of its divisors is an integer number (436406871).

Almost surely, 2^4222630525 is an apocalyptic number.

It is an amenable number.

4222630525 is a deficient number, since it is larger than the sum of its proper divisors (1014251927).

4222630525 is a wasteful number, since it uses less digits than its factorization.

4222630525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26480 (or 26475 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 31.

The square root of 4222630525 is about 64981.7707130238. The cubic root of 4222630525 is about 1616.3212931166.

Adding to 4222630525 its reverse (5250362224), we get a palindrome (9472992749).

The spelling of 4222630525 in words is "four billion, two hundred twenty-two million, six hundred thirty thousand, five hundred twenty-five".