22665440064542 has 32 divisors (see below), whose sum is σ = 37698885402624. Its totient is φ = 10133050543200.

The previous prime is 22665440064523. The next prime is 22665440064577. The reversal of 22665440064542 is 24546004456622.

It is a super-2 number, since 2×22665440064542² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25849163 + ... + 26711609.

It is an arithmetic number, because the mean of its divisors is an integer number (1178090168832).

Almost surely, 2^{22665440064542} is an apocalyptic number.

22665440064542 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

22665440064542 is a deficient number, since it is larger than the sum of its proper divisors (15033445338082).

22665440064542 is a wasteful number, since it uses less digits than its factorization.

22665440064542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 882104.

The product of its (nonzero) digits is 11059200, while the sum is 50.

The spelling of 22665440064542 in words is "twenty-two trillion, six hundred sixty-five billion, four hundred forty million, sixty-four thousand, five hundred forty-two".