22000148 has 12 divisors (see below), whose sum is σ = 38759700. Its totient is φ = 10925952.

The previous prime is 22000129. The next prime is 22000151. The reversal of 22000148 is 84100022.

It can be written as a sum of positive squares in 2 ways, for example, as 14002564 + 7997584 = 3742^2 + 2828^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17861 + ... + 19052.

It is an arithmetic number, because the mean of its divisors is an integer number (3229975).

Almost surely, 2^22000148 is an apocalyptic number.

It is an amenable number.

22000148 is a deficient number, since it is larger than the sum of its proper divisors (16759552).

22000148 is a wasteful number, since it uses less digits than its factorization.

22000148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37066 (or 37064 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 22000148 is about 4690.4315366499. The cubic root of 22000148 is about 280.2045614002.

It can be divided in two parts, 2200014 and 8, that added together give a palindrome (2200022).

The spelling of 22000148 in words is "twenty-two million, one hundred forty-eight", and thus it is an aban number.