40222126 has 32 divisors (see below), whose sum is σ = 73440000. Its totient is φ = 16137792.

The previous prime is 40222123. The next prime is 40222141. The reversal of 40222126 is 62122204.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40222121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22825 + ... + 24523.

It is an arithmetic number, because the mean of its divisors is an integer number (2295000).

Almost surely, 2^40222126 is an apocalyptic number.

40222126 is a deficient number, since it is larger than the sum of its proper divisors (33217874).

40222126 is a wasteful number, since it uses less digits than its factorization.

40222126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1816.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 40222126 is about 6342.0916108174. The cubic root of 40222126 is about 342.6270713248.

The spelling of 40222126 in words is "forty million, two hundred twenty-two thousand, one hundred twenty-six".