40202231 has 8 divisors (see below), whose sum is σ = 41041920. Its totient is φ = 39370968.

The previous prime is 40202219. The next prime is 40202243. The reversal of 40202231 is 13220204.

40202231 = 674² + 675² + ... + 752².

It is an interprime number because it is at equal distance from previous prime (40202219) and next prime (40202243).

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 40202231 - 2⁶ = 40202167 is a prime.

It is a super-2 number, since 2×40202231² = 3232438754754722, 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 (40202431) 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, 8030 + ... + 12036.

It is an arithmetic number, because the mean of its divisors is an integer number (5130240).

Almost surely, 2^40202231 is an apocalyptic number.

40202231 is a deficient number, since it is larger than the sum of its proper divisors (839689).

40202231 is a wasteful number, since it uses less digits than its factorization.

40202231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4213.

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 40202231 is about 6340.5229279611. The cubic root of 40202231 is about 342.5705709981.

Adding to 40202231 its reverse (13220204), we get a palindrome (53422435).

The spelling of 40202231 in words is "forty million, two hundred two thousand, two hundred thirty-one".