2221622152 has 16 divisors (see below), whose sum is σ = 4410573660. Its totient is φ = 1045469184.

The previous prime is 2221622131. The next prime is 2221622171. The reversal of 2221622152 is 2512261222.

It can be written as a sum of positive squares in 2 ways, for example, as 1670029956 + 551592196 = 40866^2 + 23486^2 .

It is a super-2 number, since 2×2221622152² = 9871209972514222208, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8167593 + ... + 8167864.

Almost surely, 2^2221622152 is an apocalyptic number.

It is an amenable number.

2221622152 is a deficient number, since it is larger than the sum of its proper divisors (2188951508).

2221622152 is a wasteful number, since it uses less digits than its factorization.

2221622152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16335480 (or 16335476 counting only the distinct ones).

The product of its digits is 1920, while the sum is 25.

The square root of 2221622152 is about 47134.0869435274. The cubic root of 2221622152 is about 1304.8384100406.

Adding to 2221622152 its reverse (2512261222), we get a palindrome (4733883374).

The spelling of 2221622152 in words is "two billion, two hundred twenty-one million, six hundred twenty-two thousand, one hundred fifty-two".