22426323040 has 96 divisors (see below), whose sum is σ = 58746552480. Its totient is φ = 8021299200.

The previous prime is 22426323019. The next prime is 22426323061. The reversal of 22426323040 is 4032362422.

It is an interprime number because it is at equal distance from previous prime (22426323019) and next prime (22426323061).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2916 + ... + 211804.

It is an arithmetic number, because the mean of its divisors is an integer number (611943255).

Almost surely, 2^22426323040 is an apocalyptic number.

22426323040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22426323040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29373276240).

22426323040 is an abundant number, since it is smaller than the sum of its proper divisors (36320229440).

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

22426323040 is a wasteful number, since it uses less digits than its factorization.

22426323040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208976 (or 208968 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 22426323040 its reverse (4032362422), we get a palindrome (26458685462).

The spelling of 22426323040 in words is "twenty-two billion, four hundred twenty-six million, three hundred twenty-three thousand, forty".