22254811772 has 6 divisors (see below), whose sum is σ = 38945920608. Its totient is φ = 11127405884.

The previous prime is 22254811759. The next prime is 22254811801. The reversal of 22254811772 is 27711845222.

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, 2781851468 + ... + 2781851475.

It is an arithmetic number, because the mean of its divisors is an integer number (6490986768).

Almost surely, 2^22254811772 is an apocalyptic number.

It is an amenable number.

22254811772 is a deficient number, since it is larger than the sum of its proper divisors (16691108836).

22254811772 is a wasteful number, since it uses less digits than its factorization.

22254811772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5563702947 (or 5563702945 counting only the distinct ones).

The product of its digits is 125440, while the sum is 41.

The spelling of 22254811772 in words is "twenty-two billion, two hundred fifty-four million, eight hundred eleven thousand, seven hundred seventy-two".