22301131 has 4 divisors (see below), whose sum is σ = 22322664. Its totient is φ = 22279600.

The previous prime is 22301113. The next prime is 22301177. The reversal of 22301131 is 13110322.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 22301131 - 2¹³ = 22292939 is a prime.

It is a super-2 number, since 2×22301131² = 994680887758322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22301101) 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, 9130 + ... + 11311.

It is an arithmetic number, because the mean of its divisors is an integer number (5580666).

Almost surely, 2^22301131 is an apocalyptic number.

22301131 is a deficient number, since it is larger than the sum of its proper divisors (21533).

22301131 is a wasteful number, since it uses less digits than its factorization.

22301131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21532.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 22301131 is about 4722.4073310124. The cubic root of 22301131 is about 281.4765998677.

Adding to 22301131 its reverse (13110322), we get a palindrome (35411453).

The spelling of 22301131 in words is "twenty-two million, three hundred one thousand, one hundred thirty-one".