40400222222 has 16 divisors (see below), whose sum is σ = 61850664960. Its totient is φ = 19787361048.

The previous prime is 40400222167. The next prime is 40400222231. The reversal of 40400222222 is 22222200404.

40400222222 is a modest number, since divided by 222222 gives 40400 as remainder.

It is a junction number, because it is equal to n+sod(n) for n = 40400222194 and 40400222203.

It is a congruent number.

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, 986618 + ... + 1026749.

It is an arithmetic number, because the mean of its divisors is an integer number (3865666560).

Almost surely, 2^40400222222 is an apocalyptic number.

40400222222 is a deficient number, since it is larger than the sum of its proper divisors (21450442738).

40400222222 is a wasteful number, since it uses less digits than its factorization.

40400222222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2013575.

The product of its (nonzero) digits is 1024, while the sum is 20.

Adding to 40400222222 its reverse (22222200404), we get a palindrome (62622422626).

The spelling of 40400222222 in words is "forty billion, four hundred million, two hundred twenty-two thousand, two hundred twenty-two".