22148522 has 8 divisors (see below), whose sum is σ = 36243072. Its totient is φ = 10067500.

The previous prime is 22148479. The next prime is 22148543. The reversal of 22148522 is 22584122.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 22148491 and 22148500.

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, 503354 + ... + 503397.

It is an arithmetic number, because the mean of its divisors is an integer number (4530384).

Almost surely, 2^22148522 is an apocalyptic number.

22148522 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

22148522 is a deficient number, since it is larger than the sum of its proper divisors (14094550).

22148522 is a wasteful number, since it uses less digits than its factorization.

22148522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1006764.

The product of its digits is 2560, while the sum is 26.

The square root of 22148522 is about 4706.2216267405. The cubic root of 22148522 is about 280.8330716615.

Subtracting 22148522 from its reverse (22584122), we obtain a square (435600 = 660²).

The spelling of 22148522 in words is "twenty-two million, one hundred forty-eight thousand, five hundred twenty-two".