19228070 has 8 divisors (see below), whose sum is σ = 34610544. Its totient is φ = 7691224.

The previous prime is 19228067. The next prime is 19228093. The reversal of 19228070 is 7082291.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 961394 + ... + 961413.

It is an arithmetic number, because the mean of its divisors is an integer number (4326318).

Almost surely, 2^19228070 is an apocalyptic number.

19228070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

19228070 is a deficient number, since it is larger than the sum of its proper divisors (15382474).

19228070 is a wasteful number, since it uses less digits than its factorization.

19228070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1922814.

The product of its (nonzero) digits is 2016, while the sum is 29.

The square root of 19228070 is about 4384.9823260761. The cubic root of 19228070 is about 267.9036094287.

The spelling of 19228070 in words is "nineteen million, two hundred twenty-eight thousand, seventy".