1061221244 has 12 divisors (see below), whose sum is σ = 1921176600. Its totient is φ = 512313648.

The previous prime is 1061221229. The next prime is 1061221283. The reversal of 1061221244 is 4421221601.

It is a super-2 number, since 2×1061221244² = 2252381057433815072, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4574114 + ... + 4574345.

It is an arithmetic number, because the mean of its divisors is an integer number (160098050).

Almost surely, 2^1061221244 is an apocalyptic number.

It is an amenable number.

1061221244 is a deficient number, since it is larger than the sum of its proper divisors (859955356).

1061221244 is a wasteful number, since it uses less digits than its factorization.

1061221244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9148492 (or 9148490 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 23.

The square root of 1061221244 is about 32576.3908989317. The cubic root of 1061221244 is about 1020.0042432221.

Adding to 1061221244 its reverse (4421221601), we get a palindrome (5482442845).

The spelling of 1061221244 in words is "one billion, sixty-one million, two hundred twenty-one thousand, two hundred forty-four".