1151222210 has 8 divisors (see below), whose sum is σ = 2072199996. Its totient is φ = 460488880.

The previous prime is 1151222147. The next prime is 1151222263. The reversal of 1151222210 is 122221511.

It can be written as a sum of positive squares in 2 ways, for example, as 1045810921 + 105411289 = 32339^2 + 10267^2 .

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

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, 57561101 + ... + 57561120.

Almost surely, 2^1151222210 is an apocalyptic number.

1151222210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1151222210 is a deficient number, since it is larger than the sum of its proper divisors (920977786).

1151222210 is a wasteful number, since it uses less digits than its factorization.

1151222210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115122228.

The product of its (nonzero) digits is 80, while the sum is 17.

The square root of 1151222210 is about 33929.6656334836. The cubic root of 1151222210 is about 1048.0605802102.

Adding to 1151222210 its reverse (122221511), we get a palindrome (1273443721).

The spelling of 1151222210 in words is "one billion, one hundred fifty-one million, two hundred twenty-two thousand, two hundred ten".