1000022115672 has 64 divisors (see below), whose sum is σ = 2778033600000. Its totient is φ = 333317378592.

The previous prime is 1000022115629. The next prime is 1000022115731. The reversal of 1000022115672 is 2765112200001.

It is a super-3 number, since 3×1000022115672³ (a number of 37 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

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, 3081829 + ... + 3390827.

It is an arithmetic number, because the mean of its divisors is an integer number (43406775000).

Almost surely, 2^{1000022115672} is an apocalyptic number.

1000022115672 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1000022115672 is an abundant number, since it is smaller than the sum of its proper divisors (1778011484328).

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

1000022115672 is a wasteful number, since it uses less digits than its factorization.

1000022115672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 323997 (or 323987 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 27.

Adding to 1000022115672 its reverse (2765112200001), we get a palindrome (3765134315673).

The spelling of 1000022115672 in words is "one trillion, twenty-two million, one hundred fifteen thousand, six hundred seventy-two".