40136022 has 12 divisors (see below), whose sum is σ = 86961420. Its totient is φ = 13378668.

The previous prime is 40135973. The next prime is 40136023. The reversal of 40136022 is 22063104.

It is a happy number.

40136022 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×40136022² = 3221800523968968, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 2229779 = 40136022 / (4 + 0 + 1 + 3 + 6 + 0 + 2 + 2).

It is a junction number, because it is equal to n+sod(n) for n = 40135986 and 40136004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40136023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1114872 + ... + 1114907.

It is an arithmetic number, because the mean of its divisors is an integer number (7246785).

Almost surely, 2^40136022 is an apocalyptic number.

40136022 is an abundant number, since it is smaller than the sum of its proper divisors (46825398).

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

40136022 is a wasteful number, since it uses less digits than its factorization.

40136022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2229787 (or 2229784 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 40136022 is about 6335.2996772055. The cubic root of 40136022 is about 342.3824079947.

Adding to 40136022 its reverse (22063104), we get a palindrome (62199126).

The spelling of 40136022 in words is "forty million, one hundred thirty-six thousand, twenty-two".