1061631222 has 8 divisors (see below), whose sum is σ = 2123262456. Its totient is φ = 353877072.

The previous prime is 1061631211. The next prime is 1061631229. The reversal of 1061631222 is 2221361601.

It is a sphenic number, since it is the product of 3 distinct primes.

1061631222 is an admirable number.

It is a super-2 number, since 2×1061631222² = 2254121703050426568, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1061631192 and 1061631201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1061631229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 88469263 + ... + 88469274.

It is an arithmetic number, because the mean of its divisors is an integer number (265407807).

Almost surely, 2^1061631222 is an apocalyptic number.

1061631222 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1061631222 is a wasteful number, since it uses less digits than its factorization.

1061631222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176938542.

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 1061631222 is about 32582.6828545471. The cubic root of 1061631222 is about 1020.1355779029.

Adding to 1061631222 its reverse (2221361601), we get a palindrome (3282992823).

The spelling of 1061631222 in words is "one billion, sixty-one million, six hundred thirty-one thousand, two hundred twenty-two".