40222220022 has 12 divisors (see below), whose sum is σ = 87148143420. Its totient is φ = 13407406668.

The previous prime is 40222219981. The next prime is 40222220029. The reversal of 40222220022 is 22002222204.

It is a happy number.

40222220022 is a `hidden beast` number, since 402 + 22 + 220 + 0 + 22 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 2234567779 = 40222220022 / (4 + 0 + 2 + 2 + 2 + 2 + 2 + 0 + 0 + 2 + 2).

It is a junction number, because it is equal to n+sod(n) for n = 40222219977 and 40222220004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40222220029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1117283872 + ... + 1117283907.

It is an arithmetic number, because the mean of its divisors is an integer number (7262345285).

Almost surely, 2^40222220022 is an apocalyptic number.

40222220022 is an abundant number, since it is smaller than the sum of its proper divisors (46925923398).

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

40222220022 is a wasteful number, since it uses less digits than its factorization.

40222220022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2234567787 (or 2234567784 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 18.

Adding to 40222220022 its reverse (22002222204), we get a palindrome (62224442226).

The spelling of 40222220022 in words is "forty billion, two hundred twenty-two million, two hundred twenty thousand, twenty-two".