22173572942 has 4 divisors (see below), whose sum is σ = 33260359416. Its totient is φ = 11086786470.

The previous prime is 22173572933. The next prime is 22173572963. The reversal of 22173572942 is 24927537122.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 22173572893 and 22173572902.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5543393234 + ... + 5543393237.

It is an arithmetic number, because the mean of its divisors is an integer number (8315089854).

Almost surely, 2^22173572942 is an apocalyptic number.

22173572942 is a deficient number, since it is larger than the sum of its proper divisors (11086786474).

22173572942 is a wasteful number, since it uses less digits than its factorization.

22173572942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11086786473.

The product of its digits is 423360, while the sum is 44.

The spelling of 22173572942 in words is "twenty-two billion, one hundred seventy-three million, five hundred seventy-two thousand, nine hundred forty-two".