19222530 has 32 divisors (see below), whose sum is σ = 47119104. Its totient is φ = 5016576.

The previous prime is 19222519. The next prime is 19222559. The reversal of 19222530 is 3522291.

It is a self number, because there is not a number n which added to its sum of digits gives 19222530.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5407 + ... + 8226.

It is an arithmetic number, because the mean of its divisors is an integer number (1472472).

Almost surely, 2^19222530 is an apocalyptic number.

19222530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

19222530 is an abundant number, since it is smaller than the sum of its proper divisors (27896574).

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

19222530 is a wasteful number, since it uses less digits than its factorization.

19222530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13690.

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 19222530 is about 4384.3505790482. The cubic root of 19222530 is about 267.8778774552.

It can be divided in two parts, 192 and 22530, that added together give a palindrome (22722).

The spelling of 19222530 in words is "nineteen million, two hundred twenty-two thousand, five hundred thirty".