22402331742 has 128 divisors (see below), whose sum is σ = 54123033600. Its totient is φ = 6046580736.

The previous prime is 22402331717. The next prime is 22402331759. The reversal of 22402331742 is 24713320422.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 18467928 + ... + 18469140.

It is an arithmetic number, because the mean of its divisors is an integer number (422836200).

Almost surely, 2^22402331742 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22402331742, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27061516800).

22402331742 is an abundant number, since it is smaller than the sum of its proper divisors (31720701858).

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

22402331742 is a wasteful number, since it uses less digits than its factorization.

22402331742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1570.

The product of its (nonzero) digits is 16128, while the sum is 30.

The spelling of 22402331742 in words is "twenty-two billion, four hundred two million, three hundred thirty-one thousand, seven hundred forty-two".