32244420 has 96 divisors (see below), whose sum is σ = 98840448. Its totient is φ = 7805952.

The previous prime is 32244419. The next prime is 32244431. The reversal of 32244420 is 2444223.

It is a super-2 number, since 2×32244420² = 2079405242272800, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 51952 + ... + 52568.

It is an arithmetic number, because the mean of its divisors is an integer number (1029588).

Almost surely, 2^32244420 is an apocalyptic number.

32244420 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 32244420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49420224).

32244420 is an abundant number, since it is smaller than the sum of its proper divisors (66596028).

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

32244420 is a wasteful number, since it uses less digits than its factorization.

32244420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 709 (or 707 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 21.

The square root of 32244420 is about 5678.4170329415. The cubic root of 32244420 is about 318.2864789155.

Adding to 32244420 its reverse (2444223), we get a palindrome (34688643).

The spelling of 32244420 in words is "thirty-two million, two hundred forty-four thousand, four hundred twenty".