22273991485200 has 2160 divisors, whose sum is σ = 104792737585536. Its totient is φ = 4494951014400.

The previous prime is 22273991485181. The next prime is 22273991485231. The reversal of 22273991485200 is 258419937222.

22273991485200 is a `hidden beast` number, since 2 + 2 + 2 + 7 + 399 + 1 + 48 + 5 + 200 = 666.

It is a tau number, because it is divible by the number of its divisors (2160).

It is a super-2 number, since 2×22273991485200² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 431 ways as a sum of consecutive naturals, for example, 1424069380 + ... + 1424085020.

Almost surely, 2^{22273991485200} is an apocalyptic number.

22273991485200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22273991485200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52396368792768).

22273991485200 is an abundant number, since it is smaller than the sum of its proper divisors (82518746100336).

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

22273991485200 is a wasteful number, since it uses less digits than its factorization.

22273991485200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15724 (or 15694 counting only the distinct ones).

The product of its (nonzero) digits is 4354560, while the sum is 54.

The spelling of 22273991485200 in words is "twenty-two trillion, two hundred seventy-three billion, nine hundred ninety-one million, four hundred eighty-five thousand, two hundred".