22048488 has 192 divisors, whose sum is σ = 77051520. Its totient is φ = 5529600.

The previous prime is 22048487. The next prime is 22048501. The reversal of 22048488 is 88484022.

It is a super-2 number, since 2×22048488² = 972271646172288, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (22048483) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 227256 + ... + 227352.

It is an arithmetic number, because the mean of its divisors is an integer number (401310).

Almost surely, 2^22048488 is an apocalyptic number.

22048488 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22048488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38525760).

22048488 is an abundant number, since it is smaller than the sum of its proper divisors (55003032).

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

22048488 is a wasteful number, since it uses less digits than its factorization.

22048488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168 (or 161 counting only the distinct ones).

The product of its (nonzero) digits is 32768, while the sum is 36.

The square root of 22048488 is about 4695.5817530951. The cubic root of 22048488 is about 280.4096385040.

The spelling of 22048488 in words is "twenty-two million, forty-eight thousand, four hundred eighty-eight".