19122229 has 32 divisors (see below), whose sum is σ = 24558336. Its totient is φ = 14515200.

The previous prime is 19122211. The next prime is 19122283. The reversal of 19122229 is 92222191.

It is not a de Polignac number, because 19122229 - 2¹⁷ = 18991157 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 19122197 and 19122206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19122529) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 189279 + ... + 189379.

It is an arithmetic number, because the mean of its divisors is an integer number (767448).

Almost surely, 2^19122229 is an apocalyptic number.

It is an amenable number.

19122229 is a deficient number, since it is larger than the sum of its proper divisors (5436107).

19122229 is a wasteful number, since it uses less digits than its factorization.

19122229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205.

The product of its digits is 1296, while the sum is 28.

The square root of 19122229 is about 4372.8970946044. The cubic root of 19122229 is about 267.4111458464.

The spelling of 19122229 in words is "nineteen million, one hundred twenty-two thousand, two hundred twenty-nine".