22742903 has 4 divisors (see below), whose sum is σ = 22843320. Its totient is φ = 22642488.

The previous prime is 22742899. The next prime is 22742917. The reversal of 22742903 is 30924722.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 22742903 - 2² = 22742899 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 (22742983) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49868 + ... + 50321.

It is an arithmetic number, because the mean of its divisors is an integer number (5710830).

Almost surely, 2^22742903 is an apocalyptic number.

22742903 is a deficient number, since it is larger than the sum of its proper divisors (100417).

22742903 is a wasteful number, since it uses less digits than its factorization.

22742903 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100416.

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

The square root of 22742903 is about 4768.9519813057. The cubic root of 22742903 is about 283.3230878264.

The spelling of 22742903 in words is "twenty-two million, seven hundred forty-two thousand, nine hundred three".