2419221 has 8 divisors (see below), whose sum is σ = 3686464. Its totient is φ = 1382400.

The previous prime is 2419187. The next prime is 2419229. The reversal of 2419221 is 1229142.

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

It is not a de Polignac number, because 2419221 - 2¹³ = 2411029 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 115201 = 2419221 / (2 + 4 + 1 + 9 + 2 + 2 + 1).

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2419229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57580 + ... + 57621.

It is an arithmetic number, because the mean of its divisors is an integer number (460808).

2^2419221 is an apocalyptic number.

2419221 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2419221 is a deficient number, since it is larger than the sum of its proper divisors (1267243).

2419221 is a wasteful number, since it uses less digits than its factorization.

2419221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115211.

The product of its digits is 288, while the sum is 21.

The square root of 2419221 is about 1555.3845183748. The cubic root of 2419221 is about 134.2430614823.

The spelling of 2419221 in words is "two million, four hundred nineteen thousand, two hundred twenty-one".