22703057 has 4 divisors (see below), whose sum is σ = 24449460. Its totient is φ = 20956656.

The previous prime is 22703039. The next prime is 22703059. The reversal of 22703057 is 75030722.

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

It can be written as a sum of positive squares in 2 ways, for example, as 4393216 + 18309841 = 2096^2 + 4279^2 .

It is a cyclic number.

It is not a de Polignac number, because 22703057 - 2¹⁴ = 22686673 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22703059) 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, 873182 + ... + 873207.

It is an arithmetic number, because the mean of its divisors is an integer number (6112365).

Almost surely, 2^22703057 is an apocalyptic number.

It is an amenable number.

22703057 is a deficient number, since it is larger than the sum of its proper divisors (1746403).

22703057 is a wasteful number, since it uses less digits than its factorization.

22703057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1746402.

The product of its (nonzero) digits is 2940, while the sum is 26.

The square root of 22703057 is about 4764.7725024391. The cubic root of 22703057 is about 283.1575286158.

Adding to 22703057 its reverse (75030722), we get a palindrome (97733779).

The spelling of 22703057 in words is "twenty-two million, seven hundred three thousand, fifty-seven".