22148902 has 4 divisors (see below), whose sum is σ = 33223356. Its totient is φ = 11074450.

The previous prime is 22148879. The next prime is 22148921. The reversal of 22148902 is 20984122.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5537224 + ... + 5537227.

It is an arithmetic number, because the mean of its divisors is an integer number (8305839).

Almost surely, 2^22148902 is an apocalyptic number.

22148902 is a deficient number, since it is larger than the sum of its proper divisors (11074454).

22148902 is a wasteful number, since it uses less digits than its factorization.

22148902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11074453.

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 22148902 is about 4706.2619986567. The cubic root of 22148902 is about 280.8346777274.

The spelling of 22148902 in words is "twenty-two million, one hundred forty-eight thousand, nine hundred two".