1522112261 has 2 divisors, whose sum is σ = 1522112262. Its totient is φ = 1522112260.

The previous prime is 1522112219. The next prime is 1522112279. The reversal of 1522112261 is 1622112251.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1443240100 + 78872161 = 37990^2 + 8881^2 .

It is a cyclic number.

It is not a de Polignac number, because 1522112261 - 2³⁰ = 448370437 is a prime.

It is a super-3 number, since 3×1522112261³ (a number of 29 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1522112201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 761056130 + 761056131.

It is an arithmetic number, because the mean of its divisors is an integer number (761056131).

Almost surely, 2^1522112261 is an apocalyptic number.

It is an amenable number.

1522112261 is a deficient number, since it is larger than the sum of its proper divisors (1).

1522112261 is an equidigital number, since it uses as much as digits as its factorization.

1522112261 is an evil number, because the sum of its binary digits is even.

The product of its digits is 480, while the sum is 23.

The square root of 1522112261 is about 39014.2571504316. The cubic root of 1522112261 is about 1150.3117644965.

The spelling of 1522112261 in words is "one billion, five hundred twenty-two million, one hundred twelve thousand, two hundred sixty-one".