22061211072 has 56 divisors (see below), whose sum is σ = 58436841216. Its totient is φ = 7345352448.

The previous prime is 22061211059. The next prime is 22061211077. The reversal of 22061211072 is 27011216022.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22061211077) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 104473 + ... + 234599.

Almost surely, 2^22061211072 is an apocalyptic number.

It is an amenable number.

22061211072 is an abundant number, since it is smaller than the sum of its proper divisors (36375630144).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22061211072 is a wasteful number, since it uses less digits than its factorization.

22061211072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131025 (or 131015 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 24.

Adding to 22061211072 its reverse (27011216022), we get a palindrome (49072427094).

The spelling of 22061211072 in words is "twenty-two billion, sixty-one million, two hundred eleven thousand, seventy-two".