19072244 has 12 divisors (see below), whose sum is σ = 34827744. Its totient is φ = 9121464.

The previous prime is 19072243. The next prime is 19072289. The reversal of 19072244 is 44227091.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19072243) 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, 103562 + ... + 103745.

It is an arithmetic number, because the mean of its divisors is an integer number (2902312).

Almost surely, 2^19072244 is an apocalyptic number.

It is an amenable number.

19072244 is a deficient number, since it is larger than the sum of its proper divisors (15755500).

19072244 is a wasteful number, since it uses less digits than its factorization.

19072244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207334 (or 207332 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 19072244 is about 4367.1780362151. The cubic root of 19072244 is about 267.1779406472.

The spelling of 19072244 in words is "nineteen million, seventy-two thousand, two hundred forty-four".