42222220024440 has 64 divisors (see below), whose sum is σ = 126674966678400. Its totient is φ = 11258520308352.

The previous prime is 42222220024433. The next prime is 42222220024451. The reversal of 42222220024440 is 4442002222224.

It is a super-2 number, since 2×42222220024440² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 42222220024398 and 42222220024407.

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, 9698242 + ... + 13360401.

It is an arithmetic number, because the mean of its divisors is an integer number (1979296354350).

Almost surely, 2^{42222220024440} is an apocalyptic number.

42222220024440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42222220024440 is an abundant number, since it is smaller than the sum of its proper divisors (84452746653960).

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

42222220024440 is a wasteful number, since it uses less digits than its factorization.

42222220024440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23073916 (or 23073912 counting only the distinct ones).

The product of its (nonzero) digits is 32768, while the sum is 30.

Adding to 42222220024440 its reverse (4442002222224), we get a palindrome (46664222246664).

The spelling of 42222220024440 in words is "forty-two trillion, two hundred twenty-two billion, two hundred twenty million, twenty-four thousand, four hundred forty".