1151492222 has 4 divisors (see below), whose sum is σ = 1727238336. Its totient is φ = 575746110.

The previous prime is 1151492159. The next prime is 1151492249. The reversal of 1151492222 is 2222941511.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 287873054 + ... + 287873057.

It is an arithmetic number, because the mean of its divisors is an integer number (431809584).

Almost surely, 2^1151492222 is an apocalyptic number.

1151492222 is a deficient number, since it is larger than the sum of its proper divisors (575746114).

1151492222 is an equidigital number, since it uses as much as digits as its factorization.

1151492222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 575746113.

The product of its digits is 2880, while the sum is 29.

The square root of 1151492222 is about 33933.6443960857. The cubic root of 1151492222 is about 1048.1425124990.

Subtracting 1151492222 from its reverse (2222941511), we obtain a square (1071449289 = 32733²).

The spelling of 1151492222 in words is "one billion, one hundred fifty-one million, four hundred ninety-two thousand, two hundred twenty-two".