2261022529 has 8 divisors (see below), whose sum is σ = 2340420608. Its totient is φ = 2182587120.

The previous prime is 2261022493. The next prime is 2261022563. The reversal of 2261022529 is 9252201622.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2261022529 - 2⁹ = 2261022017 is a prime.

It is a super-2 number, since 2×2261022529² = 10224445753291111682, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2261022529.

It is not an unprimeable number, because it can be changed into a prime (2261022329) 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, 235887 + ... + 245284.

It is an arithmetic number, because the mean of its divisors is an integer number (292552576).

Almost surely, 2^2261022529 is an apocalyptic number.

It is an amenable number.

2261022529 is a deficient number, since it is larger than the sum of its proper divisors (79398079).

2261022529 is a wasteful number, since it uses less digits than its factorization.

2261022529 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 481335.

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 2261022529 is about 47550.2106094179. The cubic root of 2261022529 is about 1312.5070048182.

The spelling of 2261022529 in words is "two billion, two hundred sixty-one million, twenty-two thousand, five hundred twenty-nine".