22264742 has 12 divisors (see below), whose sum is σ = 33756660. Its totient is φ = 11013228.

The previous prime is 22264741. The next prime is 22264757. The reversal of 22264742 is 24746222.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22264741) 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, 78533 + ... + 78815.

It is an arithmetic number, because the mean of its divisors is an integer number (2813055).

Almost surely, 2^22264742 is an apocalyptic number.

22264742 is a deficient number, since it is larger than the sum of its proper divisors (11491918).

22264742 is an equidigital number, since it uses as much as digits as its factorization.

22264742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 707 (or 424 counting only the distinct ones).

The product of its digits is 10752, while the sum is 29.

The square root of 22264742 is about 4718.5529561509. The cubic root of 22264742 is about 281.3234203710.

The spelling of 22264742 in words is "twenty-two million, two hundred sixty-four thousand, seven hundred forty-two".