22434019 has 8 divisors (see below), whose sum is σ = 22754160. Its totient is φ = 22116000.

The previous prime is 22434017. The next prime is 22434047. The reversal of 22434019 is 91043422.

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

It is a cyclic number.

It is not a de Polignac number, because 22434019 - 2¹ = 22434017 is a prime.

It is a super-2 number, since 2×22434019² = 1006570416984722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22433984 and 22434002.

It is not an unprimeable number, because it can be changed into a prime (22434017) 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, 39004 + ... + 39574.

It is an arithmetic number, because the mean of its divisors is an integer number (2844270).

Almost surely, 2^22434019 is an apocalyptic number.

22434019 is a deficient number, since it is larger than the sum of its proper divisors (320141).

22434019 is a wasteful number, since it uses less digits than its factorization.

22434019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1061.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 22434019 is about 4736.4563758152. The cubic root of 22434019 is about 282.0345807064.

It can be divided in two parts, 224 and 34019, that added together give a palindrome (34243).

The spelling of 22434019 in words is "twenty-two million, four hundred thirty-four thousand, nineteen".