22426629438 has 8 divisors (see below), whose sum is σ = 44853258888. Its totient is φ = 7475543144.

The previous prime is 22426629437. The next prime is 22426629439. The reversal of 22426629438 is 83492662422.

It is an interprime number because it is at equal distance from previous prime (22426629437) and next prime (22426629439).

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

22426629438 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22426629431) 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, 1868885781 + ... + 1868885792.

It is an arithmetic number, because the mean of its divisors is an integer number (5606657361).

Almost surely, 2^22426629438 is an apocalyptic number.

22426629438 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22426629438 is a wasteful number, since it uses less digits than its factorization.

22426629438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3737771578.

The product of its digits is 1990656, while the sum is 48.

The spelling of 22426629438 in words is "twenty-two billion, four hundred twenty-six million, six hundred twenty-nine thousand, four hundred thirty-eight".