32212642 has 16 divisors (see below), whose sum is σ = 60242112. Its totient is φ = 12550320.

The previous prime is 32212639. The next prime is 32212651. The reversal of 32212642 is 24621223.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 104433 + ... + 104740.

It is an arithmetic number, because the mean of its divisors is an integer number (3765132).

Almost surely, 2^32212642 is an apocalyptic number.

32212642 is a deficient number, since it is larger than the sum of its proper divisors (28029470).

32212642 is a wasteful number, since it uses less digits than its factorization.

32212642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209193.

The product of its digits is 1152, while the sum is 22.

The square root of 32212642 is about 5675.6182042135. The cubic root of 32212642 is about 318.1818837402.

Adding to 32212642 its reverse (24621223), we get a palindrome (56833865).

The spelling of 32212642 in words is "thirty-two million, two hundred twelve thousand, six hundred forty-two".