2622028961 has 4 divisors (see below), whose sum is σ = 2623686912. Its totient is φ = 2620371012.

The previous prime is 2622028867. The next prime is 2622028967. The reversal of 2622028961 is 1698202262.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1698202262 = 2 ⋅849101131.

It is a cyclic number.

It is not a de Polignac number, because 2622028961 - 2³⁰ = 1548287137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2622028967) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 826601 + ... + 829766.

It is an arithmetic number, because the mean of its divisors is an integer number (655921728).

Almost surely, 2^2622028961 is an apocalyptic number.

It is an amenable number.

2622028961 is a deficient number, since it is larger than the sum of its proper divisors (1657951).

2622028961 is a wasteful number, since it uses less digits than its factorization.

2622028961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1657950.

The product of its (nonzero) digits is 41472, while the sum is 38.

The square root of 2622028961 is about 51205.7512492493. The cubic root of 2622028961 is about 1378.9414554448.

The spelling of 2622028961 in words is "two billion, six hundred twenty-two million, twenty-eight thousand, nine hundred sixty-one".