4987222 has 8 divisors (see below), whose sum is σ = 7920936. Its totient is φ = 2346912.

The previous prime is 4987207. The next prime is 4987223. The reversal of 4987222 is 2227894.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (34), and also a Moran number because the ratio is a prime number: 146683 = 4987222 / (4 + 9 + 8 + 7 + 2 + 2 + 2).

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4987223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73308 + ... + 73375.

It is an arithmetic number, because the mean of its divisors is an integer number (990117).

Almost surely, 2^4987222 is an apocalyptic number.

4987222 is a deficient number, since it is larger than the sum of its proper divisors (2933714).

4987222 is a wasteful number, since it uses less digits than its factorization.

4987222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146702.

The product of its digits is 16128, while the sum is 34.

The square root of 4987222 is about 2233.2089020063. The cubic root of 4987222 is about 170.8518032512.

It can be divided in two parts, 49872 and 22, that added together give a palindrome (49894).

The spelling of 4987222 in words is "four million, nine hundred eighty-seven thousand, two hundred twenty-two".