22315453 has 2 divisors, whose sum is σ = 22315454. Its totient is φ = 22315452.

The previous prime is 22315429. The next prime is 22315483. The reversal of 22315453 is 35451322.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21187609 + 1127844 = 4603^2 + 1062^2 .

It is a cyclic number.

It is not a de Polignac number, because 22315453 - 2⁵ = 22315421 is a prime.

It is a super-3 number, since 3×22315453³ (a number of 23 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22315483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11157726 + 11157727.

It is an arithmetic number, because the mean of its divisors is an integer number (11157727).

Almost surely, 2^22315453 is an apocalyptic number.

It is an amenable number.

22315453 is a deficient number, since it is larger than the sum of its proper divisors (1).

22315453 is an equidigital number, since it uses as much as digits as its factorization.

22315453 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3600, while the sum is 25.

The square root of 22315453 is about 4723.9234752481. The cubic root of 22315453 is about 281.5368426298.

Adding to 22315453 its reverse (35451322), we get a palindrome (57766775).

The spelling of 22315453 in words is "twenty-two million, three hundred fifteen thousand, four hundred fifty-three".