1156222534 has 4 divisors (see below), whose sum is σ = 1734333804. Its totient is φ = 578111266.

The previous prime is 1156222519. The next prime is 1156222541. The reversal of 1156222534 is 4352226511.

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

It is a junction number, because it is equal to n+sod(n) for n = 1156222496 and 1156222505.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 289055632 + ... + 289055635.

It is an arithmetic number, because the mean of its divisors is an integer number (433583451).

Almost surely, 2^1156222534 is an apocalyptic number.

1156222534 is a deficient number, since it is larger than the sum of its proper divisors (578111270).

1156222534 is an equidigital number, since it uses as much as digits as its factorization.

1156222534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 578111269.

The product of its digits is 14400, while the sum is 31.

The square root of 1156222534 is about 34003.2724013440. The cubic root of 1156222534 is about 1049.5758026469.

The spelling of 1156222534 in words is "one billion, one hundred fifty-six million, two hundred twenty-two thousand, five hundred thirty-four".