22157303 has 8 divisors (see below), whose sum is σ = 26423808. Its totient is φ = 18166104.

The previous prime is 22157297. The next prime is 22157323. The reversal of 22157303 is 30375122.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22157303 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22157323) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68651 + ... + 68972.

It is an arithmetic number, because the mean of its divisors is an integer number (3302976).

Almost surely, 2^22157303 is an apocalyptic number.

22157303 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

22157303 is a deficient number, since it is larger than the sum of its proper divisors (4266505).

22157303 is a wasteful number, since it uses less digits than its factorization.

22157303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137653.

The product of its (nonzero) digits is 1260, while the sum is 23.

The square root of 22157303 is about 4707.1544482840. The cubic root of 22157303 is about 280.8701797717.

The spelling of 22157303 in words is "twenty-two million, one hundred fifty-seven thousand, three hundred three".