22649241621 has 8 divisors (see below), whose sum is σ = 30261001024. Its totient is φ = 15068488320.

The previous prime is 22649241553. The next prime is 22649241649. The reversal of 22649241621 is 12614294622.

It is a happy number.

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

It is not a de Polignac number, because 22649241621 - 2¹⁰ = 22649240597 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22649241621.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22649241221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7749820 + ... + 7752741.

It is an arithmetic number, because the mean of its divisors is an integer number (3782625128).

Almost surely, 2^22649241621 is an apocalyptic number.

It is an amenable number.

22649241621 is a deficient number, since it is larger than the sum of its proper divisors (7611759403).

22649241621 is a wasteful number, since it uses less digits than its factorization.

22649241621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15503051.

The product of its digits is 82944, while the sum is 39.

The spelling of 22649241621 in words is "twenty-two billion, six hundred forty-nine million, two hundred forty-one thousand, six hundred twenty-one".