22313648 has 40 divisors (see below), whose sum is σ = 49654560. Its totient is φ = 9515520.

The previous prime is 22313647. The next prime is 22313653. The reversal of 22313648 is 84631322.

It is a super-3 number, since 3×22313648³ (a number of 23 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 22313648.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22313647) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31118 + ... + 31826.

It is an arithmetic number, because the mean of its divisors is an integer number (1241364).

Almost surely, 2^22313648 is an apocalyptic number.

22313648 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

22313648 is an abundant number, since it is smaller than the sum of its proper divisors (27340912).

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

22313648 is a wasteful number, since it uses less digits than its factorization.

22313648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1005 (or 999 counting only the distinct ones).

The product of its digits is 6912, while the sum is 29.

The square root of 22313648 is about 4723.7324225659. The cubic root of 22313648 is about 281.5292516613.

The spelling of 22313648 in words is "twenty-two million, three hundred thirteen thousand, six hundred forty-eight".