22142203403985 has 96 divisors (see below), whose sum is σ = 46485353168640. Its totient is φ = 9795628753920.

The previous prime is 22142203403939. The next prime is 22142203404037. The reversal of 22142203403985 is 58930430224122.

22142203403985 is a `hidden beast` number, since 2 + 2 + 1 + 4 + 220 + 34 + 0 + 398 + 5 = 666.

It is not a de Polignac number, because 22142203403985 - 2⁹ = 22142203403473 is a prime.

It is a super-2 number, since 2×22142203403985² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 22142203403985.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 11282752 + ... + 13099041.

It is an arithmetic number, because the mean of its divisors is an integer number (484222428840).

Almost surely, 2^{22142203403985} is an apocalyptic number.

It is an amenable number.

22142203403985 is an abundant number, since it is smaller than the sum of its proper divisors (24343149764655).

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

22142203403985 is a wasteful number, since it uses less digits than its factorization.

22142203403985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24381876 (or 24381839 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 45.

The spelling of 22142203403985 in words is "twenty-two trillion, one hundred forty-two billion, two hundred three million, four hundred three thousand, nine hundred eighty-five".