22648691501 has 4 divisors (see below), whose sum is σ = 22649360832. Its totient is φ = 22648022172.

The previous prime is 22648691459. The next prime is 22648691503. The reversal of 22648691501 is 10519684622.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 22648691501 - 2¹⁸ = 22648429357 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22648691503) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 281045 + ... + 352538.

It is an arithmetic number, because the mean of its divisors is an integer number (5662340208).

Almost surely, 2^22648691501 is an apocalyptic number.

It is an amenable number.

22648691501 is a deficient number, since it is larger than the sum of its proper divisors (669331).

22648691501 is an equidigital number, since it uses as much as digits as its factorization.

22648691501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 669330.

The product of its (nonzero) digits is 207360, while the sum is 44.

The spelling of 22648691501 in words is "twenty-two billion, six hundred forty-eight million, six hundred ninety-one thousand, five hundred one".