22162537528091 has 8 divisors (see below), whose sum is σ = 23466296374560. Its totient is φ = 20858787589248.

The previous prime is 22162537528069. The next prime is 22162537528123. The reversal of 22162537528091 is 19082573526122.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22162537528091 is a prime.

It is a super-2 number, since 2×22162537528091² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22162537528291) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3285410 + ... + 7424216.

It is an arithmetic number, because the mean of its divisors is an integer number (2933287046820).

Almost surely, 2^{22162537528091} is an apocalyptic number.

22162537528091 is a deficient number, since it is larger than the sum of its proper divisors (1303758846469).

22162537528091 is a wasteful number, since it uses less digits than its factorization.

22162537528091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4453813.

The product of its (nonzero) digits is 3628800, while the sum is 53.

The spelling of 22162537528091 in words is "twenty-two trillion, one hundred sixty-two billion, five hundred thirty-seven million, five hundred twenty-eight thousand, ninety-one".