40022269 has 20 divisors (see below), whose sum is σ = 47504960. Its totient is φ = 33710040.

The previous prime is 40022263. The next prime is 40022287. The reversal of 40022269 is 96222004.

It is not a de Polignac number, because 40022269 - 2¹¹ = 40020221 is a prime.

It is a super-2 number, since 2×40022269² = 3203564031816722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40022263) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 189574 + ... + 189784.

It is an arithmetic number, because the mean of its divisors is an integer number (2375248).

Almost surely, 2^40022269 is an apocalyptic number.

40022269 is a gapful number since it is divisible by the number (49) formed by its first and last digit.

40022269 is the 3653-rd hex number.

It is an amenable number.

40022269 is a deficient number, since it is larger than the sum of its proper divisors (7482691).

40022269 is an frugal number, since it uses more digits than its factorization.

40022269 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 318 (or 297 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 40022269 is about 6326.3155944041. The cubic root of 40022269 is about 342.0586433186.

The spelling of 40022269 in words is "forty million, twenty-two thousand, two hundred sixty-nine".