40221122 has 4 divisors (see below), whose sum is σ = 60331686. Its totient is φ = 20110560.

The previous prime is 40221079. The next prime is 40221127. The reversal of 40221122 is 22112204.

40221122 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 30924721 + 9296401 = 5561^2 + 3049^2 .

It is a junction number, because it is equal to n+sod(n) for n = 40221097 and 40221106.

It is not an unprimeable number, because it can be changed into a prime (40221127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10055279 + ... + 10055282.

Almost surely, 2^40221122 is an apocalyptic number.

40221122 is a deficient number, since it is larger than the sum of its proper divisors (20110564).

40221122 is a wasteful number, since it uses less digits than its factorization.

40221122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20110563.

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 40221122 is about 6342.0124566261. The cubic root of 40221122 is about 342.6242204856.

Adding to 40221122 its reverse (22112204), we get a palindrome (62333326).

The spelling of 40221122 in words is "forty million, two hundred twenty-one thousand, one hundred twenty-two".