22222148 has 36 divisors (see below), whose sum is σ = 42795648. Its totient is φ = 10090080.

The previous prime is 22222129. The next prime is 22222199. The reversal of 22222148 is 84122222.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 47765 + ... + 48227.

It is an arithmetic number, because the mean of its divisors is an integer number (1188768).

Almost surely, 2^22222148 is an apocalyptic number.

It is an amenable number.

22222148 is a deficient number, since it is larger than the sum of its proper divisors (20573500).

22222148 is a wasteful number, since it uses less digits than its factorization.

22222148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 564 (or 549 counting only the distinct ones).

The product of its digits is 1024, while the sum is 23.

The square root of 22222148 is about 4714.0373354482. The cubic root of 22222148 is about 281.1439087597.

It can be divided in two parts, 2222214 and 8, that added together give a palindrome (2222222).

The spelling of 22222148 in words is "twenty-two million, two hundred twenty-two thousand, one hundred forty-eight".