1023414221 has 4 divisors (see below), whose sum is σ = 1023577500. Its totient is φ = 1023250944.

The previous prime is 1023414209. The next prime is 1023414247. The reversal of 1023414221 is 1224143201.

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 63282025 + 960132196 = 7955^2 + 30986^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1023414221 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1023414193 and 1023414202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1023414281) 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, 71846 + ... + 84903.

It is an arithmetic number, because the mean of its divisors is an integer number (255894375).

Almost surely, 2^1023414221 is an apocalyptic number.

It is an amenable number.

1023414221 is a deficient number, since it is larger than the sum of its proper divisors (163279).

1023414221 is an equidigital number, since it uses as much as digits as its factorization.

1023414221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163278.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 1023414221 is about 31990.8458937866. The cubic root of 1023414221 is about 1007.7446065648.

Adding to 1023414221 its reverse (1224143201), we get a palindrome (2247557422).

The spelling of 1023414221 in words is "one billion, twenty-three million, four hundred fourteen thousand, two hundred twenty-one".