1154222300 has 72 divisors (see below), whose sum is σ = 3122716800. Its totient is φ = 359755200.

The previous prime is 1154222291. The next prime is 1154222323. The reversal of 1154222300 is 32224511.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 67250 + ... + 82649.

Almost surely, 2^1154222300 is an apocalyptic number.

1154222300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1154222300 is an abundant number, since it is smaller than the sum of its proper divisors (1968494500).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1154222300 is a wasteful number, since it uses less digits than its factorization.

1154222300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149931 (or 149924 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 1154222300 is about 33973.8472946471. The cubic root of 1154222300 is about 1048.9702072871.

Adding to 1154222300 its reverse (32224511), we get a palindrome (1186446811).

The spelling of 1154222300 in words is "one billion, one hundred fifty-four million, two hundred twenty-two thousand, three hundred".