19074442 has 16 divisors (see below), whose sum is σ = 31890240. Its totient is φ = 8503488.

The previous prime is 19074439. The next prime is 19074443. The reversal of 19074442 is 24447091.

It is a super-2 number, since 2×19074442² = 727668675222728, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (19074443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14118 + ... + 15409.

It is an arithmetic number, because the mean of its divisors is an integer number (1993140).

Almost surely, 2^19074442 is an apocalyptic number.

19074442 is a deficient number, since it is larger than the sum of its proper divisors (12815798).

19074442 is a wasteful number, since it uses less digits than its factorization.

19074442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29565.

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 19074442 is about 4367.4296788844. The cubic root of 19074442 is about 267.1882039834.

The spelling of 19074442 in words is "nineteen million, seventy-four thousand, four hundred forty-two".