22150423 has 2 divisors, whose sum is σ = 22150424. Its totient is φ = 22150422.

The previous prime is 22150393. The next prime is 22150481. The reversal of 22150423 is 32405122.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22150423 - 2¹³ = 22142231 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22150423.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22150493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11075211 + 11075212.

It is an arithmetic number, because the mean of its divisors is an integer number (11075212).

Almost surely, 2^22150423 is an apocalyptic number.

22150423 is a deficient number, since it is larger than the sum of its proper divisors (1).

22150423 is an equidigital number, since it uses as much as digits as its factorization.

22150423 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 22150423 is about 4706.4235890961. The cubic root of 22150423 is about 280.8411060335.

Adding to 22150423 its reverse (32405122), we get a palindrome (54555545).

The spelling of 22150423 in words is "twenty-two million, one hundred fifty thousand, four hundred twenty-three".