40022131 has 8 divisors (see below), whose sum is σ = 42683760. Its totient is φ = 37394688.

The previous prime is 40022107. The next prime is 40022137. The reversal of 40022131 is 13122004.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 40022131 - 2¹¹ = 40020083 is a prime.

It is a super-2 number, since 2×40022131² = 3203541939562322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40022137) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6106 + ... + 10831.

It is an arithmetic number, because the mean of its divisors is an integer number (5335470).

Almost surely, 2^40022131 is an apocalyptic number.

40022131 is a deficient number, since it is larger than the sum of its proper divisors (2661629).

40022131 is a wasteful number, since it uses less digits than its factorization.

40022131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17093.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 40022131 is about 6326.3046875724. The cubic root of 40022131 is about 342.0582501696.

Adding to 40022131 its reverse (13122004), we get a palindrome (53144135).

The spelling of 40022131 in words is "forty million, twenty-two thousand, one hundred thirty-one".