22001155211450 has 24 divisors (see below), whose sum is σ = 41792832712512. Its totient is φ = 8613218209520.

The previous prime is 22001155211447. The next prime is 22001155211467. The reversal of 22001155211450 is 5411255110022.

It is a super-2 number, since 2×22001155211450² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4681094504 + ... + 4681099203.

It is an arithmetic number, because the mean of its divisors is an integer number (1741368029688).

Almost surely, 2^{22001155211450} is an apocalyptic number.

22001155211450 is a deficient number, since it is larger than the sum of its proper divisors (19791677501062).

22001155211450 is a wasteful number, since it uses less digits than its factorization.

22001155211450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9362193766 (or 9362193761 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 29.

The spelling of 22001155211450 in words is "twenty-two trillion, one billion, one hundred fifty-five million, two hundred eleven thousand, four hundred fifty".