5142220 has 24 divisors (see below), whose sum is σ = 11063808. Its totient is φ = 2006400.

The previous prime is 5142199. The next prime is 5142227. The reversal of 5142220 is 222415.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 5142194 and 5142203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5142227) by changing a digit.

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, 2316 + ... + 3955.

It is an arithmetic number, because the mean of its divisors is an integer number (460992).

Almost surely, 2^5142220 is an apocalyptic number.

It is an amenable number.

5142220 is an abundant number, since it is smaller than the sum of its proper divisors (5921588).

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

5142220 is a wasteful number, since it uses less digits than its factorization.

5142220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6321 (or 6319 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 16.

The square root of 5142220 is about 2267.6463569084. The cubic root of 5142220 is about 172.6037463152.

Adding to 5142220 its reverse (222415), we get a palindrome (5364635).

The spelling of 5142220 in words is "five million, one hundred forty-two thousand, two hundred twenty".