22230148 has 6 divisors (see below), whose sum is σ = 38902766. Its totient is φ = 11115072.

The previous prime is 22230119. The next prime is 22230149. The reversal of 22230148 is 84103222.

It can be written as a sum of positive squares in only one way, i.e., 21511044 + 719104 = 4638^2 + 848^2 .

It is not an unprimeable number, because it can be changed into a prime (22230149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2778765 + ... + 2778772.

Almost surely, 2^22230148 is an apocalyptic number.

It is an amenable number.

22230148 is a deficient number, since it is larger than the sum of its proper divisors (16672618).

22230148 is a wasteful number, since it uses less digits than its factorization.

22230148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5557541 (or 5557539 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 22230148 is about 4714.8857886485. The cubic root of 22230148 is about 281.1776420937.

The spelling of 22230148 in words is "twenty-two million, two hundred thirty thousand, one hundred forty-eight".