2214040820 has 12 divisors (see below), whose sum is σ = 4649485764. Its totient is φ = 885616320.

The previous prime is 2214040799. The next prime is 2214040823. The reversal of 2214040820 is 280404122.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1045358224 + 1168682596 = 32332^2 + 34186^2 .

It is a hoax number, since the sum of its digits (23) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2214040823) 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, 55351001 + ... + 55351040.

It is an arithmetic number, because the mean of its divisors is an integer number (387457147).

Almost surely, 2^2214040820 is an apocalyptic number.

2214040820 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2214040820 is an abundant number, since it is smaller than the sum of its proper divisors (2435444944).

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

2214040820 is a wasteful number, since it uses less digits than its factorization.

2214040820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110702050 (or 110702048 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 23.

The square root of 2214040820 is about 47053.5951867655. The cubic root of 2214040820 is about 1303.3524556965.

Adding to 2214040820 its reverse (280404122), we get a palindrome (2494444942).

The spelling of 2214040820 in words is "two billion, two hundred fourteen million, forty thousand, eight hundred twenty".