22420200404240 has 40 divisors (see below), whose sum is σ = 52128281790720. Its totient is φ = 8967853778816.

The previous prime is 22420200404237. The next prime is 22420200404257. The reversal of 22420200404240 is 4240400202422.

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 330194 + ... + 6704433.

It is an arithmetic number, because the mean of its divisors is an integer number (1303207044768).

Almost surely, 2^{22420200404240} is an apocalyptic number.

22420200404240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22420200404240 is an abundant number, since it is smaller than the sum of its proper divisors (29708081386480).

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

22420200404240 is a wasteful number, since it uses less digits than its factorization.

22420200404240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7074479 (or 7074473 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 26.

Adding to 22420200404240 its reverse (4240400202422), we get a palindrome (26660600606662).

The spelling of 22420200404240 in words is "twenty-two trillion, four hundred twenty billion, two hundred million, four hundred four thousand, two hundred forty".