32212230 has 32 divisors (see below), whose sum is σ = 78624000. Its totient is φ = 8443872.

The previous prime is 32212211. The next prime is 32212241. The reversal of 32212230 is 3221223.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a plaindrome in base 13.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7330 + ... + 10869.

It is an arithmetic number, because the mean of its divisors is an integer number (2457000).

Almost surely, 2^32212230 is an apocalyptic number.

32212230 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

32212230 is an abundant number, since it is smaller than the sum of its proper divisors (46411770).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

32212230 is a wasteful number, since it uses less digits than its factorization.

32212230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18268.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 32212230 is about 5675.5819084919. The cubic root of 32212230 is about 318.1805272180.

Adding to 32212230 its reverse (3221223), we get a palindrome (35433453).

The spelling of 32212230 in words is "thirty-two million, two hundred twelve thousand, two hundred thirty".