1157023622 has 4 divisors (see below), whose sum is σ = 1735535436. Its totient is φ = 578511810.

The previous prime is 1157023577. The next prime is 1157023627. The reversal of 1157023622 is 2263207511.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2263207511 = 197 ⋅11488363.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1157023627) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 289255904 + ... + 289255907.

It is an arithmetic number, because the mean of its divisors is an integer number (433883859).

Almost surely, 2^1157023622 is an apocalyptic number.

1157023622 is a deficient number, since it is larger than the sum of its proper divisors (578511814).

1157023622 is an equidigital number, since it uses as much as digits as its factorization.

1157023622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 578511813.

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 1157023622 is about 34015.0499338161. The cubic root of 1157023622 is about 1049.8181459812.

The spelling of 1157023622 in words is "one billion, one hundred fifty-seven million, twenty-three thousand, six hundred twenty-two".