22709814 has 16 divisors (see below), whose sum is σ = 45995520. Its totient is φ = 7473960.

The previous prime is 22709803. The next prime is 22709831. The reversal of 22709814 is 41890722.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23482 + ... + 24429.

It is an arithmetic number, because the mean of its divisors is an integer number (2874720).

Almost surely, 2^22709814 is an apocalyptic number.

22709814 is an abundant number, since it is smaller than the sum of its proper divisors (23285706).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22709814 is a wasteful number, since it uses less digits than its factorization.

22709814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47995.

The product of its (nonzero) digits is 8064, while the sum is 33.

The square root of 22709814 is about 4765.4815076758. The cubic root of 22709814 is about 283.1856174269.

It can be divided in two parts, 22 and 709814, that added together give a triangular number (709836 = T₁₁₉₁).

The spelling of 22709814 in words is "twenty-two million, seven hundred nine thousand, eight hundred fourteen".