1015225219 has 2 divisors, whose sum is σ = 1015225220. Its totient is φ = 1015225218.

The previous prime is 1015225217. The next prime is 1015225247. The reversal of 1015225219 is 9125225101.

It is an a-pointer prime, because the next prime (1015225247) can be obtained adding 1015225219 to its sum of digits (28).

It is a weak prime.

It is an emirp because it is prime and its reverse (9125225101) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1015225219 - 2¹ = 1015225217 is a prime.

It is a super-2 number, since 2×1015225219² = 2061364490587195922, which contains 22 as substring.

Together with 1015225217, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1015225217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 507612609 + 507612610.

It is an arithmetic number, because the mean of its divisors is an integer number (507612610).

Almost surely, 2^1015225219 is an apocalyptic number.

1015225219 is a deficient number, since it is larger than the sum of its proper divisors (1).

1015225219 is an equidigital number, since it uses as much as digits as its factorization.

1015225219 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1800, while the sum is 28.

The square root of 1015225219 is about 31862.5990622234. The cubic root of 1015225219 is about 1005.0495323062.

The spelling of 1015225219 in words is "one billion, fifteen million, two hundred twenty-five thousand, two hundred nineteen".