22471633 has 2 divisors, whose sum is σ = 22471634. Its totient is φ = 22471632.

The previous prime is 22471619. The next prime is 22471643. The reversal of 22471633 is 33617422.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22353984 + 117649 = 4728^2 + 343^2 .

It is a cyclic number.

It is not a de Polignac number, because 22471633 - 2⁵ = 22471601 is a prime.

It is not a weakly prime, because it can be changed into another prime (22471643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11235816 + 11235817.

It is an arithmetic number, because the mean of its divisors is an integer number (11235817).

Almost surely, 2^22471633 is an apocalyptic number.

It is an amenable number.

22471633 is a deficient number, since it is larger than the sum of its proper divisors (1).

22471633 is an equidigital number, since it uses as much as digits as its factorization.

22471633 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6048, while the sum is 28.

The square root of 22471633 is about 4740.4254028515. The cubic root of 22471633 is about 282.1921171298.

It can be divided in two parts, 22471 and 633, that added together give a square (23104 = 152²).

The spelling of 22471633 in words is "twenty-two million, four hundred seventy-one thousand, six hundred thirty-three".