40101822 has 24 divisors (see below), whose sum is σ = 87990240. Its totient is φ = 13197600.

The previous prime is 40101797. The next prime is 40101823. The reversal of 40101822 is 22810104.

It is a super-2 number, since 2×40101822² = 3216312255439368, which contains 22 as substring.

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 = 40101795 and 40101804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40101823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12679 + ... + 15522.

It is an arithmetic number, because the mean of its divisors is an integer number (3666260).

Almost surely, 2^40101822 is an apocalyptic number.

40101822 is an abundant number, since it is smaller than the sum of its proper divisors (47888418).

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

40101822 is a wasteful number, since it uses less digits than its factorization.

40101822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28288 (or 28285 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

The square root of 40101822 is about 6332.5999399931. The cubic root of 40101822 is about 342.2851320712.

Adding to 40101822 its reverse (22810104), we get a palindrome (62911926).

It can be divided in two parts, 4010 and 1822, that added together give a cube (5832 = 18³).

The spelling of 40101822 in words is "forty million, one hundred one thousand, eight hundred twenty-two".