2222143477 has 4 divisors (see below), whose sum is σ = 2224678156. Its totient is φ = 2219608800.

The previous prime is 2222143471. The next prime is 2222143481. The reversal of 2222143477 is 7743412222.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1033686801 + 1188456676 = 32151^2 + 34474^2 .

It is a cyclic number.

It is not a de Polignac number, because 2222143477 - 2¹¹ = 2222141429 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2222143471) 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, 1266024 + ... + 1267777.

It is an arithmetic number, because the mean of its divisors is an integer number (556169539).

Almost surely, 2^2222143477 is an apocalyptic number.

It is an amenable number.

2222143477 is a deficient number, since it is larger than the sum of its proper divisors (2534679).

2222143477 is an equidigital number, since it uses as much as digits as its factorization.

2222143477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2534678.

The product of its digits is 37632, while the sum is 34.

The square root of 2222143477 is about 47139.6168524947. The cubic root of 2222143477 is about 1304.9404663514.

Adding to 2222143477 its reverse (7743412222), we get a palindrome (9965555699).

The spelling of 2222143477 in words is "two billion, two hundred twenty-two million, one hundred forty-three thousand, four hundred seventy-seven".