22311964 has 6 divisors (see below), whose sum is σ = 39045944. Its totient is φ = 11155980.

The previous prime is 22311953. The next prime is 22311967. The reversal of 22311964 is 46911322.

It is a super-3 number, since 3×22311964³ (a number of 23 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22311967) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2788992 + ... + 2788999.

Almost surely, 2^22311964 is an apocalyptic number.

It is an amenable number.

22311964 is a deficient number, since it is larger than the sum of its proper divisors (16733980).

22311964 is a wasteful number, since it uses less digits than its factorization.

22311964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5577995 (or 5577993 counting only the distinct ones).

The product of its digits is 2592, while the sum is 28.

The square root of 22311964 is about 4723.5541703256. The cubic root of 22311964 is about 281.5221691919.

The spelling of 22311964 in words is "twenty-two million, three hundred eleven thousand, nine hundred sixty-four".