22012354964 has 12 divisors (see below), whose sum is σ = 38815680288. Its totient is φ = 10922160600.

The previous prime is 22012354963. The next prime is 22012354979. The reversal of 22012354964 is 46945321022.

It is a super-2 number, since 2×22012354964² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22012354963) 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, 21003632 + ... + 21004679.

It is an arithmetic number, because the mean of its divisors is an integer number (3234640024).

Almost surely, 2^22012354964 is an apocalyptic number.

It is an amenable number.

22012354964 is a deficient number, since it is larger than the sum of its proper divisors (16803325324).

22012354964 is a wasteful number, since it uses less digits than its factorization.

22012354964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42008446 (or 42008444 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 38.

Adding to 22012354964 its reverse (46945321022), we get a palindrome (68957675986).

The spelling of 22012354964 in words is "twenty-two billion, twelve million, three hundred fifty-four thousand, nine hundred sixty-four".