19220135 has 16 divisors (see below), whose sum is σ = 25591680. Its totient is φ = 13739040.

The previous prime is 19220129. The next prime is 19220161. The reversal of 19220135 is 53102291.

It is not a de Polignac number, because 19220135 - 2¹⁶ = 19154599 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 19220135.

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, 284 + ... + 6206.

It is an arithmetic number, because the mean of its divisors is an integer number (1599480).

Almost surely, 2^19220135 is an apocalyptic number.

19220135 is a deficient number, since it is larger than the sum of its proper divisors (6371545).

19220135 is a wasteful number, since it uses less digits than its factorization.

19220135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5998.

The product of its (nonzero) digits is 540, while the sum is 23.

The square root of 19220135 is about 4384.0774400095. The cubic root of 19220135 is about 267.8667517230.

The spelling of 19220135 in words is "nineteen million, two hundred twenty thousand, one hundred thirty-five".