1072295221 has 2 divisors, whose sum is σ = 1072295222. Its totient is φ = 1072295220.

The previous prime is 1072295209. The next prime is 1072295291. The reversal of 1072295221 is 1225922701.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 657358321 + 414936900 = 25639^2 + 20370^2 .

It is a cyclic number.

It is not a de Polignac number, because 1072295221 - 2⁷ = 1072295093 is a prime.

It is a super-2 number, since 2×1072295221² = 2299634081958877682, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1072295291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 536147610 + 536147611.

It is an arithmetic number, because the mean of its divisors is an integer number (536147611).

Almost surely, 2^1072295221 is an apocalyptic number.

It is an amenable number.

1072295221 is a deficient number, since it is larger than the sum of its proper divisors (1).

1072295221 is an equidigital number, since it uses as much as digits as its factorization.

1072295221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5040, while the sum is 31.

The square root of 1072295221 is about 32745.9191503308. The cubic root of 1072295221 is about 1023.5399306189.

The spelling of 1072295221 in words is "one billion, seventy-two million, two hundred ninety-five thousand, two hundred twenty-one".