1015220233 has 2 divisors, whose sum is σ = 1015220234. Its totient is φ = 1015220232.

The previous prime is 1015220201. The next prime is 1015220237. The reversal of 1015220233 is 3320225101.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 629608464 + 385611769 = 25092^2 + 19637^2 .

It is a cyclic number.

It is not a de Polignac number, because 1015220233 - 2⁵ = 1015220201 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1015220233.

It is not a weakly prime, because it can be changed into another prime (1015220237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 507610116 + 507610117.

It is an arithmetic number, because the mean of its divisors is an integer number (507610117).

Almost surely, 2^1015220233 is an apocalyptic number.

It is an amenable number.

1015220233 is a deficient number, since it is larger than the sum of its proper divisors (1).

1015220233 is an equidigital number, since it uses as much as digits as its factorization.

1015220233 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 1015220233 is about 31862.5208199226. The cubic root of 1015220233 is about 1005.0478869619.

Adding to 1015220233 its reverse (3320225101), we get a palindrome (4335445334).

The spelling of 1015220233 in words is "one billion, fifteen million, two hundred twenty thousand, two hundred thirty-three".