40222243221020 has 48 divisors (see below), whose sum is σ = 98778346157568. Its totient is φ = 13469774472000.

The previous prime is 40222243221007. The next prime is 40222243221131. The reversal of 40222243221020 is 2012234222204.

It is a happy number.

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, 3340711856 + ... + 3340723895.

It is an arithmetic number, because the mean of its divisors is an integer number (2057882211616).

Almost surely, 2^{40222243221020} is an apocalyptic number.

It is an amenable number.

40222243221020 is an abundant number, since it is smaller than the sum of its proper divisors (58556102936548).

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

40222243221020 is a wasteful number, since it uses less digits than its factorization.

40222243221020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6681435810 (or 6681435808 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 26.

Adding to 40222243221020 its reverse (2012234222204), we get a palindrome (42234477443224).

The spelling of 40222243221020 in words is "forty trillion, two hundred twenty-two billion, two hundred forty-three million, two hundred twenty-one thousand, twenty".