22072019 has 8 divisors (see below), whose sum is σ = 23119872. Its totient is φ = 21031560.

The previous prime is 22072013. The next prime is 22072033. The reversal of 22072019 is 91027022.

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 22072019 - 2¹² = 22067923 is a prime.

It is a super-2 number, since 2×22072019² = 974348045472722, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22071985 and 22072003.

It is not an unprimeable number, because it can be changed into a prime (22072013) 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, 4814 + ... + 8204.

It is an arithmetic number, because the mean of its divisors is an integer number (2889984).

Almost surely, 2^22072019 is an apocalyptic number.

22072019 is a deficient number, since it is larger than the sum of its proper divisors (1047853).

22072019 is a wasteful number, since it uses less digits than its factorization.

22072019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3697.

The product of its (nonzero) digits is 504, while the sum is 23.

The square root of 22072019 is about 4698.0867382372. The cubic root of 22072019 is about 280.5093577118.

The spelling of 22072019 in words is "twenty-two million, seventy-two thousand, nineteen".