22545533742 has 32 divisors (see below), whose sum is σ = 48150650880. Its totient is φ = 7021966560.

The previous prime is 22545533723. The next prime is 22545533749. The reversal of 22545533742 is 24733554522.

It is a junction number, because it is equal to n+sod(n) for n = 22545533694 and 22545533703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22545533749) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2084478 + ... + 2095265.

It is an arithmetic number, because the mean of its divisors is an integer number (1504707840).

Almost surely, 2^22545533742 is an apocalyptic number.

22545533742 is an abundant number, since it is smaller than the sum of its proper divisors (25605117138).

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

22545533742 is a wasteful number, since it uses less digits than its factorization.

22545533742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4179808.

The product of its digits is 1008000, while the sum is 42.

The spelling of 22545533742 in words is "twenty-two billion, five hundred forty-five million, five hundred thirty-three thousand, seven hundred forty-two".