40455222 has 16 divisors (see below), whose sum is σ = 81123120. Its totient is φ = 13449632.

The previous prime is 40455221. The next prime is 40455227. The reversal of 40455222 is 22255404.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 40455192 and 40455201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40455221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6333 + ... + 11000.

It is an arithmetic number, because the mean of its divisors is an integer number (5070195).

Almost surely, 2^40455222 is an apocalyptic number.

40455222 is an abundant number, since it is smaller than the sum of its proper divisors (40667898).

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

40455222 is a wasteful number, since it uses less digits than its factorization.

40455222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17727.

The product of its (nonzero) digits is 3200, while the sum is 24.

The square root of 40455222 is about 6360.4419657756. The cubic root of 40455222 is about 343.2876630950.

The spelling of 40455222 in words is "forty million, four hundred fifty-five thousand, two hundred twenty-two".