22284629 has 6 divisors (see below), whose sum is σ = 23027670. Its totient is φ = 21564840.

The previous prime is 22284623. The next prime is 22284641. The reversal of 22284629 is 92648222.

It can be written as a sum of positive squares in only one way, i.e., 19377604 + 2907025 = 4402^2 + 1705^2 .

It is a de Polignac number, because none of the positive numbers 2^k-22284629 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22284623) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10634 + ... + 12555.

It is an arithmetic number, because the mean of its divisors is an integer number (3837945).

Almost surely, 2^22284629 is an apocalyptic number.

It is an amenable number.

22284629 is a deficient number, since it is larger than the sum of its proper divisors (743041).

22284629 is an equidigital number, since it uses as much as digits as its factorization.

22284629 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23251 (or 23220 counting only the distinct ones).

The product of its digits is 27648, while the sum is 35.

The square root of 22284629 is about 4720.6598055780. The cubic root of 22284629 is about 281.4071553626.

The spelling of 22284629 in words is "twenty-two million, two hundred eighty-four thousand, six hundred twenty-nine".