22273423 has 2 divisors, whose sum is σ = 22273424. Its totient is φ = 22273422.

The previous prime is 22273403. The next prime is 22273439. The reversal of 22273423 is 32437222.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22273423 is a prime.

It is a super-2 number, since 2×22273423² = 992210744273858, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22273403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11136711 + 11136712.

It is an arithmetic number, because the mean of its divisors is an integer number (11136712).

Almost surely, 2^22273423 is an apocalyptic number.

22273423 is a deficient number, since it is larger than the sum of its proper divisors (1).

22273423 is an equidigital number, since it uses as much as digits as its factorization.

22273423 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4032, while the sum is 25.

The square root of 22273423 is about 4719.4727459749. The cubic root of 22273423 is about 281.3599781909.

The spelling of 22273423 in words is "twenty-two million, two hundred seventy-three thousand, four hundred twenty-three".