1222564525 has 48 divisors (see below), whose sum is σ = 1874130048. Its totient is φ = 770400000.

The previous prime is 1222564493. The next prime is 1222564529. The reversal of 1222564525 is 5254652221.

It is not a de Polignac number, because 1222564525 - 2⁵ = 1222564493 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222564529) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 569955 + ... + 572095.

It is an arithmetic number, because the mean of its divisors is an integer number (39044376).

Almost surely, 2^1222564525 is an apocalyptic number.

It is an amenable number.

1222564525 is a deficient number, since it is larger than the sum of its proper divisors (651565523).

1222564525 is a wasteful number, since it uses less digits than its factorization.

1222564525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2422 (or 2417 counting only the distinct ones).

The product of its digits is 48000, while the sum is 34.

The square root of 1222564525 is about 34965.1901896729. The cubic root of 1222564525 is about 1069.2779141284.

The spelling of 1222564525 in words is "one billion, two hundred twenty-two million, five hundred sixty-four thousand, five hundred twenty-five".