19422029 has 4 divisors (see below), whose sum is σ = 21187680. Its totient is φ = 17656380.

The previous prime is 19422017. The next prime is 19422031. The reversal of 19422029 is 92022491.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-19422029 is a prime.

It is a pancake number, because a pancake can be divided into 19422029 parts by 6232 straight cuts.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 19421992 and 19422010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19422049) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 882809 + ... + 882830.

It is an arithmetic number, because the mean of its divisors is an integer number (5296920).

Almost surely, 2^19422029 is an apocalyptic number.

It is an amenable number.

19422029 is a deficient number, since it is larger than the sum of its proper divisors (1765651).

19422029 is a wasteful number, since it uses less digits than its factorization.

19422029 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1765650.

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 19422029 is about 4407.0431130181. The cubic root of 19422029 is about 268.8014039766.

The spelling of 19422029 in words is "nineteen million, four hundred twenty-two thousand, twenty-nine".