22797219 has 16 divisors (see below), whose sum is σ = 31921920. Its totient is φ = 14451360.

The previous prime is 22797193. The next prime is 22797263. The reversal of 22797219 is 91279722.

It is not a de Polignac number, because 22797219 - 2⁷ = 22797091 is a prime.

It is a super-2 number, since 2×22797219² = 1039426388267922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22797919) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3874 + ... + 7784.

It is an arithmetic number, because the mean of its divisors is an integer number (1995120).

Almost surely, 2^22797219 is an apocalyptic number.

22797219 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

22797219 is a deficient number, since it is larger than the sum of its proper divisors (9124701).

22797219 is a wasteful number, since it uses less digits than its factorization.

22797219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4010.

The product of its digits is 31752, while the sum is 39.

The square root of 22797219 is about 4774.6433374651. The cubic root of 22797219 is about 283.5484583826.

The spelling of 22797219 in words is "twenty-two million, seven hundred ninety-seven thousand, two hundred nineteen".