22072696819 has 4 divisors (see below), whose sum is σ = 22611055320. Its totient is φ = 21534338320.

The previous prime is 22072696813. The next prime is 22072696831. The reversal of 22072696819 is 91869627022.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 22072696819 - 2⁹ = 22072696307 is a prime.

It is a super-2 number, since 2×22072696819² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22072696813) 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, 269179189 + ... + 269179270.

It is an arithmetic number, because the mean of its divisors is an integer number (5652763830).

Almost surely, 2^22072696819 is an apocalyptic number.

22072696819 is a deficient number, since it is larger than the sum of its proper divisors (538358501).

22072696819 is an equidigital number, since it uses as much as digits as its factorization.

22072696819 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 538358500.

The product of its (nonzero) digits is 1306368, while the sum is 52.

The spelling of 22072696819 in words is "twenty-two billion, seventy-two million, six hundred ninety-six thousand, eight hundred nineteen".