22047148 has 12 divisors (see below), whose sum is σ = 38754072. Its totient is φ = 10974560.

The previous prime is 22047139. The next prime is 22047161. The reversal of 22047148 is 84174022.

It is a super-3 number, since 3×22047148³ (a number of 23 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11233 + ... + 13048.

It is an arithmetic number, because the mean of its divisors is an integer number (3229506).

Almost surely, 2^22047148 is an apocalyptic number.

It is an amenable number.

22047148 is a deficient number, since it is larger than the sum of its proper divisors (16706924).

22047148 is a wasteful number, since it uses less digits than its factorization.

22047148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24512 (or 24510 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 28.

The square root of 22047148 is about 4695.4390636020. The cubic root of 22047148 is about 280.4039577437.

The spelling of 22047148 in words is "twenty-two million, forty-seven thousand, one hundred forty-eight".