40011222 has 8 divisors (see below), whose sum is σ = 80022456. Its totient is φ = 13337072.

The previous prime is 40011211. The next prime is 40011233. The reversal of 40011222 is 22211004.

It is an interprime number because it is at equal distance from previous prime (40011211) and next prime (40011233).

It is a sphenic number, since it is the product of 3 distinct primes.

40011222 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 40011198 and 40011207.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3334263 + ... + 3334274.

It is an arithmetic number, because the mean of its divisors is an integer number (10002807).

Almost surely, 2^40011222 is an apocalyptic number.

40011222 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

40011222 is a wasteful number, since it uses less digits than its factorization.

40011222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6668542.

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 40011222 is about 6325.4424351187. The cubic root of 40011222 is about 342.0271685951.

Adding to 40011222 its reverse (22211004), we get a palindrome (62222226).

The spelling of 40011222 in words is "forty million, eleven thousand, two hundred twenty-two".