22148430 has 32 divisors (see below), whose sum is σ = 53283744. Its totient is φ = 5892096.

The previous prime is 22148417. The next prime is 22148447. The reversal of 22148430 is 3484122.

It is a self number, because there is not a number n which added to its sum of digits gives 22148430.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19642 + ... + 20738.

It is an arithmetic number, because the mean of its divisors is an integer number (1665117).

Almost surely, 2^22148430 is an apocalyptic number.

22148430 is an abundant number, since it is smaller than the sum of its proper divisors (31135314).

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

22148430 is a wasteful number, since it uses less digits than its factorization.

22148430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1780.

The product of its (nonzero) digits is 1536, while the sum is 24.

The square root of 22148430 is about 4706.2118524350. The cubic root of 22148430 is about 280.8326828218.

It can be divided in two parts, 22148 and 430, that added together give a triangular number (22578 = T₂₁₂).

The spelling of 22148430 in words is "twenty-two million, one hundred forty-eight thousand, four hundred thirty".