22440442404402 has 48 divisors (see below), whose sum is σ = 54334729743840. Its totient is φ = 6634277131200.

The previous prime is 22440442404389. The next prime is 22440442404403. The reversal of 22440442404402 is 20440424404422.

22440442404402 is a `hidden beast` number, since 2 + 2 + 4 + 4 + 0 + 4 + 4 + 240 + 4 + 402 = 666.

It is a super-3 number, since 3×22440442404402³ (a number of 41 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (22440442404403) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1382132952 + ... + 1382149187.

It is an arithmetic number, because the mean of its divisors is an integer number (1131973536330).

Almost surely, 2^{22440442404402} is an apocalyptic number.

22440442404402 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

22440442404402 is an abundant number, since it is smaller than the sum of its proper divisors (31894287339438).

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

22440442404402 is a wasteful number, since it uses less digits than its factorization.

22440442404402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2764282199 (or 2764282196 counting only the distinct ones).

The product of its (nonzero) digits is 262144, while the sum is 36.

Adding to 22440442404402 its reverse (20440424404422), we get a palindrome (42880866808824).

The spelling of 22440442404402 in words is "twenty-two trillion, four hundred forty billion, four hundred forty-two million, four hundred four thousand, four hundred two".