2221023051 has 32 divisors (see below), whose sum is σ = 3546984000. Its totient is φ = 1365444864.

The previous prime is 2221023043. The next prime is 2221023053. The reversal of 2221023051 is 1503201222.

It is not a de Polignac number, because 2221023051 - 2³ = 2221023043 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2221023053) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 449985 + ... + 454893.

It is an arithmetic number, because the mean of its divisors is an integer number (110843250).

Almost surely, 2^2221023051 is an apocalyptic number.

2221023051 is a deficient number, since it is larger than the sum of its proper divisors (1325960949).

2221023051 is a wasteful number, since it uses less digits than its factorization.

2221023051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6220 (or 6214 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 2221023051 is about 47127.7312311976. The cubic root of 2221023051 is about 1304.7211083241.

Adding to 2221023051 its reverse (1503201222), we get a palindrome (3724224273).

The spelling of 2221023051 in words is "two billion, two hundred twenty-one million, twenty-three thousand, fifty-one".