22419629 has 2 divisors, whose sum is σ = 22419630. Its totient is φ = 22419628.

The previous prime is 22419619. The next prime is 22419637. The reversal of 22419629 is 92691422.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16826404 + 5593225 = 4102^2 + 2365^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22419629 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22419619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11209814 + 11209815.

It is an arithmetic number, because the mean of its divisors is an integer number (11209815).

Almost surely, 2^22419629 is an apocalyptic number.

It is an amenable number.

22419629 is a deficient number, since it is larger than the sum of its proper divisors (1).

22419629 is an equidigital number, since it uses as much as digits as its factorization.

22419629 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15552, while the sum is 35.

The square root of 22419629 is about 4734.9370639957. The cubic root of 22419629 is about 281.9742653779.

The spelling of 22419629 in words is "twenty-two million, four hundred nineteen thousand, six hundred twenty-nine".