22520442234 has 8 divisors (see below), whose sum is σ = 45040884480. Its totient is φ = 7506814076.

The previous prime is 22520442167. The next prime is 22520442247. The reversal of 22520442234 is 43224402522.

It is a sphenic number, since it is the product of 3 distinct primes.

22520442234 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1876703514 + ... + 1876703525.

It is an arithmetic number, because the mean of its divisors is an integer number (5630110560).

Almost surely, 2^22520442234 is an apocalyptic number.

22520442234 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

22520442234 is a wasteful number, since it uses less digits than its factorization.

22520442234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3753407044.

The product of its (nonzero) digits is 30720, while the sum is 30.

Adding to 22520442234 its reverse (43224402522), we get a palindrome (65744844756).

The spelling of 22520442234 in words is "twenty-two billion, five hundred twenty million, four hundred forty-two thousand, two hundred thirty-four".