22426336464 has 60 divisors (see below), whose sum is σ = 67393436544. Its totient is φ = 6407524032.

The previous prime is 22426336459. The next prime is 22426336469. The reversal of 22426336464 is 46463362422.

It is an interprime number because it is at equal distance from previous prime (22426336459) and next prime (22426336469).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22426336469) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4765152 + ... + 4769855.

Almost surely, 2^22426336464 is an apocalyptic number.

22426336464 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

22426336464 is an abundant number, since it is smaller than the sum of its proper divisors (44967100080).

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

22426336464 is a wasteful number, since it uses less digits than its factorization.

22426336464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9535032 (or 9535019 counting only the distinct ones).

The product of its digits is 995328, while the sum is 42.

Adding to 22426336464 its reverse (46463362422), we get a palindrome (68889698886).

The spelling of 22426336464 in words is "twenty-two billion, four hundred twenty-six million, three hundred thirty-six thousand, four hundred sixty-four".