22146048 has 132 divisors (see below), whose sum is σ = 67059720. Its totient is φ = 7299072.

The previous prime is 22146043. The next prime is 22146101. The reversal of 22146048 is 84064122.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a nialpdrome in base 12.

It is not an unprimeable number, because it can be changed into a prime (22146041) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 248788 + ... + 248876.

Almost surely, 2^22146048 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22146048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33529860).

22146048 is an abundant number, since it is smaller than the sum of its proper divisors (44913672).

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

22146048 is an frugal number, since it uses more digits than its factorization.

22146048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124 (or 94 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

The square root of 22146048 is about 4705.9587758500. The cubic root of 22146048 is about 280.8226148781.

It can be divided in two parts, 22 and 146048, that added together give a triangular number (146070 = T₅₄₀).

The spelling of 22146048 in words is "twenty-two million, one hundred forty-six thousand, forty-eight".