19124442 has 12 divisors (see below), whose sum is σ = 41436330. Its totient is φ = 6374808.

The previous prime is 19124429. The next prime is 19124447. The reversal of 19124442 is 24442191.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 14676561 + 4447881 = 3831^2 + 2109^2 .

It is a super-2 number, since 2×19124442² = 731488563622728, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (19124447) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 531217 + ... + 531252.

Almost surely, 2^19124442 is an apocalyptic number.

19124442 is an abundant number, since it is smaller than the sum of its proper divisors (22311888).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

19124442 is a wasteful number, since it uses less digits than its factorization.

19124442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1062477 (or 1062474 counting only the distinct ones).

The product of its digits is 2304, while the sum is 27.

The square root of 19124442 is about 4373.1501231949. The cubic root of 19124442 is about 267.4214612066.

The spelling of 19124442 in words is "nineteen million, one hundred twenty-four thousand, four hundred forty-two".