22309742 has 32 divisors (see below), whose sum is σ = 42313152. Its totient is φ = 8584704.

The previous prime is 22309717. The next prime is 22309751. The reversal of 22309742 is 24790322.

It is a happy number.

It is a super-3 number, since 3×22309742³ (a number of 23 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5078 + ... + 8390.

It is an arithmetic number, because the mean of its divisors is an integer number (1322286).

Almost surely, 2^22309742 is an apocalyptic number.

22309742 is a deficient number, since it is larger than the sum of its proper divisors (20003410).

22309742 is a wasteful number, since it uses less digits than its factorization.

22309742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3372.

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 22309742 is about 4723.3189602228. The cubic root of 22309742 is about 281.5128234880.

The spelling of 22309742 in words is "twenty-two million, three hundred nine thousand, seven hundred forty-two".