22462742 has 4 divisors (see below), whose sum is σ = 33694116. Its totient is φ = 11231370.

The previous prime is 22462723. The next prime is 22462753. The reversal of 22462742 is 24726422.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a nialpdrome in base 12.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5615684 + ... + 5615687.

It is an arithmetic number, because the mean of its divisors is an integer number (8423529).

Almost surely, 2^22462742 is an apocalyptic number.

22462742 is a deficient number, since it is larger than the sum of its proper divisors (11231374).

22462742 is a wasteful number, since it uses less digits than its factorization.

22462742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11231373.

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

The square root of 22462742 is about 4739.4875250390. The cubic root of 22462742 is about 282.1548953715.

The spelling of 22462742 in words is "twenty-two million, four hundred sixty-two thousand, seven hundred forty-two".