22503079 has 2 divisors, whose sum is σ = 22503080. Its totient is φ = 22503078.

The previous prime is 22503073. The next prime is 22503097. The reversal of 22503079 is 97030522.

Together with next prime (22503097) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22503079 - 2¹³ = 22494887 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22503073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11251539 + 11251540.

It is an arithmetic number, because the mean of its divisors is an integer number (11251540).

Almost surely, 2^22503079 is an apocalyptic number.

22503079 is a deficient number, since it is larger than the sum of its proper divisors (1).

22503079 is an equidigital number, since it uses as much as digits as its factorization.

22503079 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3780, while the sum is 28.

The square root of 22503079 is about 4743.7410342471. The cubic root of 22503079 is about 282.3236856322.

It can be divided in two parts, 2250 and 3079, that added together give a square (5329 = 73²).

The spelling of 22503079 in words is "twenty-two million, five hundred three thousand, seventy-nine".