2261562164 has 24 divisors (see below), whose sum is σ = 3980769408. Its totient is φ = 1124219520.

The previous prime is 2261562157. The next prime is 2261562169. The reversal of 2261562164 is 4612651622.

It is a super-2 number, since 2×2261562164² = 10229326843272725792, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2261562169) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 527132 + ... + 531404.

It is an arithmetic number, because the mean of its divisors is an integer number (165865392).

Almost surely, 2^2261562164 is an apocalyptic number.

It is an amenable number.

2261562164 is a deficient number, since it is larger than the sum of its proper divisors (1719207244).

2261562164 is a wasteful number, since it uses less digits than its factorization.

2261562164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5015 (or 5013 counting only the distinct ones).

The product of its digits is 34560, while the sum is 35.

The square root of 2261562164 is about 47555.8846411251. The cubic root of 2261562164 is about 1312.6114145662.

The spelling of 2261562164 in words is "two billion, two hundred sixty-one million, five hundred sixty-two thousand, one hundred sixty-four".