40001122 has 8 divisors (see below), whose sum is σ = 68573376. Its totient is φ = 17143332.

The previous prime is 40001111. The next prime is 40001161. The reversal of 40001122 is 22110004.

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

It is a super-2 number, since 2×40001122² = 3200179522517768, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 40001099 and 40001108.

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, 1428598 + ... + 1428625.

It is an arithmetic number, because the mean of its divisors is an integer number (8571672).

Almost surely, 2^40001122 is an apocalyptic number.

40001122 is a deficient number, since it is larger than the sum of its proper divisors (28572254).

40001122 is a wasteful number, since it uses less digits than its factorization.

40001122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2857232.

The product of its (nonzero) digits is 16, while the sum is 10.

The square root of 40001122 is about 6324.6440216031. The cubic root of 40001122 is about 341.9983869605.

Adding to 40001122 its reverse (22110004), we get a palindrome (62111126).

The spelling of 40001122 in words is "forty million, one thousand, one hundred twenty-two".