22061438 has 8 divisors (see below), whose sum is σ = 37819632. Its totient is φ = 9454896.

The previous prime is 22061437. The next prime is 22061447. The reversal of 22061438 is 83416022.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22061437) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 787895 + ... + 787922.

It is an arithmetic number, because the mean of its divisors is an integer number (4727454).

Almost surely, 2^22061438 is an apocalyptic number.

22061438 is a deficient number, since it is larger than the sum of its proper divisors (15758194).

22061438 is a wasteful number, since it uses less digits than its factorization.

22061438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1575826.

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

The square root of 22061438 is about 4696.9605065404. The cubic root of 22061438 is about 280.4645265325.

The spelling of 22061438 in words is "twenty-two million, sixty-one thousand, four hundred thirty-eight".