22722419 has 2 divisors, whose sum is σ = 22722420. Its totient is φ = 22722418.

The previous prime is 22722407. The next prime is 22722431. The reversal of 22722419 is 91422722.

It is a balanced prime because it is at equal distance from previous prime (22722407) and next prime (22722431).

It is a cyclic number.

It is not a de Polignac number, because 22722419 - 2¹² = 22718323 is a prime.

It is a super-2 number, since 2×22722419² = 1032616650423122, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 22722391 and 22722400.

It is not a weakly prime, because it can be changed into another prime (22722449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11361209 + 11361210.

It is an arithmetic number, because the mean of its divisors is an integer number (11361210).

Almost surely, 2^22722419 is an apocalyptic number.

22722419 is a deficient number, since it is larger than the sum of its proper divisors (1).

22722419 is an equidigital number, since it uses as much as digits as its factorization.

22722419 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4032, while the sum is 29.

The square root of 22722419 is about 4766.8038558346. The cubic root of 22722419 is about 283.2380014533.

The spelling of 22722419 in words is "twenty-two million, seven hundred twenty-two thousand, four hundred nineteen".