22529701 has 2 divisors, whose sum is σ = 22529702. Its totient is φ = 22529700.

The previous prime is 22529699. The next prime is 22529729. The reversal of 22529701 is 10792522.

It is an a-pointer prime, because the next prime (22529729) can be obtained adding 22529701 to its sum of digits (28).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21808900 + 720801 = 4670^2 + 849^2 .

It is a cyclic number.

It is not a de Polignac number, because 22529701 - 2¹ = 22529699 is a prime.

Together with 22529699, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 22529701.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22529761) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11264850 + 11264851.

It is an arithmetic number, because the mean of its divisors is an integer number (11264851).

Almost surely, 2^22529701 is an apocalyptic number.

It is an amenable number.

22529701 is a deficient number, since it is larger than the sum of its proper divisors (1).

22529701 is an equidigital number, since it uses as much as digits as its factorization.

22529701 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2520, while the sum is 28.

The square root of 22529701 is about 4746.5462180411. The cubic root of 22529701 is about 282.4349749835.

The spelling of 22529701 in words is "twenty-two million, five hundred twenty-nine thousand, seven hundred one".