22061644400144 has 20 divisors (see below), whose sum is σ = 42857218190160. Its totient is φ = 11001717125280.

The previous prime is 22061644400137. The next prime is 22061644400179. The reversal of 22061644400144 is 44100444616022.

It is a super-2 number, since 2×22061644400144² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22061644400098 and 22061644400107.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1819060922 + ... + 1819073049.

It is an arithmetic number, because the mean of its divisors is an integer number (2142860909508).

Almost surely, 2^{22061644400144} is an apocalyptic number.

It is an amenable number.

22061644400144 is a deficient number, since it is larger than the sum of its proper divisors (20795573790016).

22061644400144 is a wasteful number, since it uses less digits than its factorization.

22061644400144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3638134358 (or 3638134352 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 38.

The spelling of 22061644400144 in words is "twenty-two trillion, sixty-one billion, six hundred forty-four million, four hundred thousand, one hundred forty-four".