40223132 has 24 divisors (see below), whose sum is σ = 73347120. Its totient is φ = 19283840.

The previous prime is 40223123. The next prime is 40223143. The reversal of 40223132 is 23132204.

It is a self number, because there is not a number n which added to its sum of digits gives 40223132.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7598 + ... + 11754.

It is an arithmetic number, because the mean of its divisors is an integer number (3056130).

Almost surely, 2^40223132 is an apocalyptic number.

It is an amenable number.

40223132 is a deficient number, since it is larger than the sum of its proper divisors (33123988).

40223132 is a wasteful number, since it uses less digits than its factorization.

40223132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4261 (or 4259 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 40223132 is about 6342.1709216955. The cubic root of 40223132 is about 342.6299277954.

Adding to 40223132 its reverse (23132204), we get a palindrome (63355336).

The spelling of 40223132 in words is "forty million, two hundred twenty-three thousand, one hundred thirty-two".