2214345021 has 16 divisors (see below), whose sum is σ = 3383155200. Its totient is φ = 1261996848.

The previous prime is 2214345019. The next prime is 2214345037. The reversal of 2214345021 is 1205434122.

It is not a de Polignac number, because 2214345021 - 2¹ = 2214345019 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2214344982 and 2214345000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2214345061) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 131151 + ... + 147068.

It is an arithmetic number, because the mean of its divisors is an integer number (211447200).

Almost surely, 2^2214345021 is an apocalyptic number.

2214345021 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2214345021 is a deficient number, since it is larger than the sum of its proper divisors (1168810179).

2214345021 is a wasteful number, since it uses less digits than its factorization.

2214345021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278608.

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 2214345021 is about 47056.8275705025. The cubic root of 2214345021 is about 1303.4121448946.

Adding to 2214345021 its reverse (1205434122), we get a palindrome (3419779143).

The spelling of 2214345021 in words is "two billion, two hundred fourteen million, three hundred forty-five thousand, twenty-one".