2265631629 has 16 divisors (see below), whose sum is σ = 3154097664. Its totient is φ = 1443873200.

The previous prime is 2265631607. The next prime is 2265631631. The reversal of 2265631629 is 9261365622.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 2265631629 - 2⁵ = 2265631597 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2265631639) 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, 115894 + ... + 134024.

It is an arithmetic number, because the mean of its divisors is an integer number (197131104).

Almost surely, 2^2265631629 is an apocalyptic number.

It is an amenable number.

2265631629 is a deficient number, since it is larger than the sum of its proper divisors (888466035).

2265631629 is a wasteful number, since it uses less digits than its factorization.

2265631629 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19968.

The product of its digits is 233280, while the sum is 42.

The square root of 2265631629 is about 47598.6515460260. The cubic root of 2265631629 is about 1313.3982490795.

It can be divided in two parts, 22656 and 31629, that added together give a triangular number (54285 = T₃₂₉).

The spelling of 2265631629 in words is "two billion, two hundred sixty-five million, six hundred thirty-one thousand, six hundred twenty-nine".