22267913 has 4 divisors (see below), whose sum is σ = 22280448. Its totient is φ = 22255380.

The previous prime is 22267873. The next prime is 22267963. The reversal of 22267913 is 31976222.

It is a happy number.

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, and also an emirpimes, since its reverse is a distinct semiprime: 31976222 = 2 ⋅15988111.

It is a cyclic number.

It is not a de Polignac number, because 22267913 - 2¹² = 22263817 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 22267913.

It is not an unprimeable number, because it can be changed into a prime (22267963) 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, 3053 + ... + 7338.

It is an arithmetic number, because the mean of its divisors is an integer number (5570112).

Almost surely, 2^22267913 is an apocalyptic number.

It is an amenable number.

22267913 is a deficient number, since it is larger than the sum of its proper divisors (12535).

22267913 is a wasteful number, since it uses less digits than its factorization.

22267913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12534.

The product of its digits is 9072, while the sum is 32.

The square root of 22267913 is about 4718.8889582189. Note that the first 3 decimals coincide. The cubic root of 22267913 is about 281.3367753311.

The spelling of 22267913 in words is "twenty-two million, two hundred sixty-seven thousand, nine hundred thirteen".