19142270 has 32 divisors (see below), whose sum is σ = 39661056. Its totient is φ = 6516000.

The previous prime is 19142269. The next prime is 19142287. The reversal of 19142270 is 7224191.

It is a Curzon number.

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, 9665 + ... + 11475.

It is an arithmetic number, because the mean of its divisors is an integer number (1239408).

Almost surely, 2^19142270 is an apocalyptic number.

19142270 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

19142270 is an abundant number, since it is smaller than the sum of its proper divisors (20518786).

19142270 is a wasteful number, since it uses less digits than its factorization.

19142270 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1976.

The product of its (nonzero) digits is 1008, while the sum is 26.

The square root of 19142270 is about 4375.1879959609. The cubic root of 19142270 is about 267.5045330702.

The spelling of 19142270 in words is "nineteen million, one hundred forty-two thousand, two hundred seventy".