40217022 has 24 divisors (see below), whose sum is σ = 87558120. Its totient is φ = 13340880.

The previous prime is 40217017. The next prime is 40217033. The reversal of 40217022 is 22071204.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 40216986 and 40217004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1497 + ... + 9092.

It is an arithmetic number, because the mean of its divisors is an integer number (3648255).

Almost surely, 2^40217022 is an apocalyptic number.

40217022 is an abundant number, since it is smaller than the sum of its proper divisors (47341098).

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

40217022 is a wasteful number, since it uses less digits than its factorization.

40217022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10808 (or 10805 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 18.

The square root of 40217022 is about 6341.6892071435. The cubic root of 40217022 is about 342.6125781198.

Adding to 40217022 its reverse (22071204), we get a palindrome (62288226).

It can be divided in two parts, 402 and 17022, that added together give a square (17424 = 132²).

The spelling of 40217022 in words is "forty million, two hundred seventeen thousand, twenty-two".