1153222655 has 8 divisors (see below), whose sum is σ = 1490318592. Its totient is φ = 851610528.

The previous prime is 1153222649. The next prime is 1153222669. The reversal of 1153222655 is 5562223511.

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

It is a cyclic number.

It is not a de Polignac number, because 1153222655 - 2⁴ = 1153222639 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8870879 + ... + 8871008.

It is an arithmetic number, because the mean of its divisors is an integer number (186289824).

Almost surely, 2^1153222655 is an apocalyptic number.

1153222655 is a deficient number, since it is larger than the sum of its proper divisors (337095937).

1153222655 is a wasteful number, since it uses less digits than its factorization.

1153222655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17741905.

The product of its digits is 18000, while the sum is 32.

The square root of 1153222655 is about 33959.1321296643. The cubic root of 1153222655 is about 1048.6672902809.

The spelling of 1153222655 in words is "one billion, one hundred fifty-three million, two hundred twenty-two thousand, six hundred fifty-five".