40442226 has 32 divisors (see below), whose sum is σ = 88561728. Its totient is φ = 12210240.

The previous prime is 40442209. The next prime is 40442243. The reversal of 40442226 is 62224404.

It is an interprime number because it is at equal distance from previous prime (40442209) and next prime (40442243).

It is a junction number, because it is equal to n+sod(n) for n = 40442196 and 40442205.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19956 + ... + 21888.

It is an arithmetic number, because the mean of its divisors is an integer number (2767554).

Almost surely, 2^40442226 is an apocalyptic number.

40442226 is an abundant number, since it is smaller than the sum of its proper divisors (48119502).

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

40442226 is a wasteful number, since it uses less digits than its factorization.

40442226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2266.

The product of its (nonzero) digits is 3072, while the sum is 24.

The square root of 40442226 is about 6359.4202565957. The cubic root of 40442226 is about 343.2508994498.

The spelling of 40442226 in words is "forty million, four hundred forty-two thousand, two hundred twenty-six".