22300949 has 4 divisors (see below), whose sum is σ = 24328320. Its totient is φ = 20273580.

The previous prime is 22300939. The next prime is 22300963. The reversal of 22300949 is 94900322.

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 22300949 - 2⁸ = 22300693 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22300909) 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, 1013669 + ... + 1013690.

It is an arithmetic number, because the mean of its divisors is an integer number (6082080).

Almost surely, 2^22300949 is an apocalyptic number.

It is an amenable number.

22300949 is a deficient number, since it is larger than the sum of its proper divisors (2027371).

22300949 is a wasteful number, since it uses less digits than its factorization.

22300949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2027370.

The product of its (nonzero) digits is 3888, while the sum is 29.

The square root of 22300949 is about 4722.3880611403. The cubic root of 22300949 is about 281.4758341534.

The spelling of 22300949 in words is "twenty-two million, three hundred thousand, nine hundred forty-nine".