22801629 has 4 divisors (see below), whose sum is σ = 30402176. Its totient is φ = 15201084.

The previous prime is 22801609. The next prime is 22801661. The reversal of 22801629 is 92610822.

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.

It is a de Polignac number, because none of the positive numbers 2^k-22801629 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22801596 and 22801605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22801609) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3800269 + ... + 3800274.

It is an arithmetic number, because the mean of its divisors is an integer number (7600544).

Almost surely, 2^22801629 is an apocalyptic number.

It is an amenable number.

22801629 is a deficient number, since it is larger than the sum of its proper divisors (7600547).

22801629 is an equidigital number, since it uses as much as digits as its factorization.

22801629 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7600546.

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 22801629 is about 4775.1051297327. The cubic root of 22801629 is about 283.5667408477.

The spelling of 22801629 in words is "twenty-two million, eight hundred one thousand, six hundred twenty-nine".