22142148 has 24 divisors (see below), whose sum is σ = 59045952. Its totient is φ = 6326304.

The previous prime is 22142147. The next prime is 22142149. The reversal of 22142148 is 84124122.

It is an interprime number because it is at equal distance from previous prime (22142147) and next prime (22142149).

It is not an unprimeable number, because it can be changed into a prime (22142147) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 131715 + ... + 131882.

It is an arithmetic number, because the mean of its divisors is an integer number (2460248).

Almost surely, 2^22142148 is an apocalyptic number.

22142148 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

22142148 is an abundant number, since it is smaller than the sum of its proper divisors (36903804).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22142148 is a wasteful number, since it uses less digits than its factorization.

22142148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263611 (or 263609 counting only the distinct ones).

The product of its digits is 1024, while the sum is 24.

The square root of 22142148 is about 4705.5443893348. The cubic root of 22142148 is about 280.8061292807.

The spelling of 22142148 in words is "twenty-two million, one hundred forty-two thousand, one hundred forty-eight".