40956222 has 16 divisors (see below), whose sum is σ = 81975312. Its totient is φ = 13641600.

The previous prime is 40956217. The next prime is 40956241. The reversal of 40956222 is 22265904.

It is a self number, because there is not a number n which added to its sum of digits gives 40956222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13222 + ... + 16022.

It is an arithmetic number, because the mean of its divisors is an integer number (5123457).

Almost surely, 2^40956222 is an apocalyptic number.

40956222 is an abundant number, since it is smaller than the sum of its proper divisors (41019090).

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

40956222 is a wasteful number, since it uses less digits than its factorization.

40956222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5243.

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 40956222 is about 6399.7048369437. The cubic root of 40956222 is about 344.6989518315.

The spelling of 40956222 in words is "forty million, nine hundred fifty-six thousand, two hundred twenty-two".