22649701 has 2 divisors, whose sum is σ = 22649702. Its totient is φ = 22649700.

The previous prime is 22649689. The next prime is 22649713. The reversal of 22649701 is 10794622.

It is a balanced prime because it is at equal distance from previous prime (22649689) and next prime (22649713).

It can be written as a sum of positive squares in only one way, i.e., 19793601 + 2856100 = 4449^2 + 1690^2 .

It is a cyclic number.

It is not a de Polignac number, because 22649701 - 2²¹ = 20552549 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22649741) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11324850 + 11324851.

It is an arithmetic number, because the mean of its divisors is an integer number (11324851).

Almost surely, 2^22649701 is an apocalyptic number.

It is an amenable number.

22649701 is a deficient number, since it is larger than the sum of its proper divisors (1).

22649701 is an equidigital number, since it uses as much as digits as its factorization.

22649701 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 22649701 is about 4759.1702007808. The cubic root of 22649701 is about 282.9355320195.

The spelling of 22649701 in words is "twenty-two million, six hundred forty-nine thousand, seven hundred one".