2221524422 has 32 divisors (see below), whose sum is σ = 3812239200. Its totient is φ = 962419968.

The previous prime is 2221524421. The next prime is 2221524493. The reversal of 2221524422 is 2244251222.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a junction number, because it is equal to n+sod(n) for n = 2221524391 and 2221524400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2221524421) 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, 33218 + ... + 74474.

It is an arithmetic number, because the mean of its divisors is an integer number (119132475).

Almost surely, 2^2221524422 is an apocalyptic number.

2221524422 is a deficient number, since it is larger than the sum of its proper divisors (1590714778).

2221524422 is a wasteful number, since it uses less digits than its factorization.

2221524422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41400.

The product of its digits is 5120, while the sum is 26.

The square root of 2221524422 is about 47133.0502089563. The cubic root of 2221524422 is about 1304.8192763148.

Adding to 2221524422 its reverse (2244251222), we get a palindrome (4465775644).

The spelling of 2221524422 in words is "two billion, two hundred twenty-one million, five hundred twenty-four thousand, four hundred twenty-two".