22419422 has 4 divisors (see below), whose sum is σ = 33629136. Its totient is φ = 11209710.

The previous prime is 22419421. The next prime is 22419427. The reversal of 22419422 is 22491422.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 22419391 and 22419400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22419421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5604854 + ... + 5604857.

It is an arithmetic number, because the mean of its divisors is an integer number (8407284).

Almost surely, 2^22419422 is an apocalyptic number.

22419422 is a deficient number, since it is larger than the sum of its proper divisors (11209714).

22419422 is a wasteful number, since it uses less digits than its factorization.

22419422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11209713.

The product of its digits is 2304, while the sum is 26.

The square root of 22419422 is about 4734.9152051542. The cubic root of 22419422 is about 281.9733975543.

The spelling of 22419422 in words is "twenty-two million, four hundred nineteen thousand, four hundred twenty-two".