1051388222 has 16 divisors (see below), whose sum is σ = 1674522720. Its totient is φ = 493387008.

The previous prime is 1051388207. The next prime is 1051388269. The reversal of 1051388222 is 2228831501.

It is a happy number.

It is a super-2 number, since 2×1051388222² = 2210834386720642568, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 30863 + ... + 55274.

It is an arithmetic number, because the mean of its divisors is an integer number (104657670).

Almost surely, 2^1051388222 is an apocalyptic number.

1051388222 is a deficient number, since it is larger than the sum of its proper divisors (623134498).

1051388222 is a wasteful number, since it uses less digits than its factorization.

1051388222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86515.

The product of its (nonzero) digits is 7680, while the sum is 32.

The square root of 1051388222 is about 32425.1171470513. The cubic root of 1051388222 is about 1016.8440909137.

The spelling of 1051388222 in words is "one billion, fifty-one million, three hundred eighty-eight thousand, two hundred twenty-two".