22856457148 has 18 divisors (see below), whose sum is σ = 45714514328. Its totient is φ = 9795281640.

The previous prime is 22856457137. The next prime is 22856457149. The reversal of 22856457148 is 84175465822.

It is a junction number, because it is equal to n+sod(n) for n = 22856457095 and 22856457104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22856457149) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 785703 + ... + 814273.

Almost surely, 2^22856457148 is an apocalyptic number.

22856457148 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

22856457148 is an abundant number, since it is smaller than the sum of its proper divisors (22858057180).

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

22856457148 is an frugal number, since it uses more digits than its factorization.

22856457148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57153 (or 28580 counting only the distinct ones).

The product of its digits is 4300800, while the sum is 52.

The spelling of 22856457148 in words is "twenty-two billion, eight hundred fifty-six million, four hundred fifty-seven thousand, one hundred forty-eight".