22971453 has 8 divisors (see below), whose sum is σ = 30766848. Its totient is φ = 15245184.

The previous prime is 22971449. The next prime is 22971461. The reversal of 22971453 is 35417922.

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

It is not a de Polignac number, because 22971453 - 2² = 22971449 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22971463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16500 + ... + 17837.

It is an arithmetic number, because the mean of its divisors is an integer number (3845856).

Almost surely, 2^22971453 is an apocalyptic number.

It is an amenable number.

22971453 is a deficient number, since it is larger than the sum of its proper divisors (7795395).

22971453 is a wasteful number, since it uses less digits than its factorization.

22971453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34563.

The product of its digits is 15120, while the sum is 33.

The square root of 22971453 is about 4792.8543687452. The cubic root of 22971453 is about 284.2689914901.

The spelling of 22971453 in words is "twenty-two million, nine hundred seventy-one thousand, four hundred fifty-three".