1061222557 has 16 divisors (see below), whose sum is σ = 1109908800. Its totient is φ = 1013765760.

The previous prime is 1061222537. The next prime is 1061222573. The reversal of 1061222557 is 7552221601.

It is a cyclic number.

It is not a de Polignac number, because 1061222557 - 2¹⁹ = 1060698269 is a prime.

It is a super-2 number, since 2×1061222557² = 2252386630971236498, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1061222537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 741919 + ... + 743347.

It is an arithmetic number, because the mean of its divisors is an integer number (69369300).

Almost surely, 2^1061222557 is an apocalyptic number.

It is an amenable number.

1061222557 is a deficient number, since it is larger than the sum of its proper divisors (48686243).

1061222557 is a wasteful number, since it uses less digits than its factorization.

1061222557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1836.

The product of its (nonzero) digits is 8400, while the sum is 31.

The square root of 1061222557 is about 32576.4110515569. The cubic root of 1061222557 is about 1020.0046638900.

The spelling of 1061222557 in words is "one billion, sixty-one million, two hundred twenty-two thousand, five hundred fifty-seven".