1225330554 has 48 divisors (see below), whose sum is σ = 2927842848. Its totient is φ = 340629408.

The previous prime is 1225330553. The next prime is 1225330571. The reversal of 1225330554 is 4550335221.

It is not an unprimeable number, because it can be changed into a prime (1225330553) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 45444 + ... + 67199.

It is an arithmetic number, because the mean of its divisors is an integer number (60996726).

Almost surely, 2^1225330554 is an apocalyptic number.

1225330554 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1225330554 is an abundant number, since it is smaller than the sum of its proper divisors (1702512294).

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

1225330554 is a wasteful number, since it uses less digits than its factorization.

1225330554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112699 (or 112692 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 30.

The square root of 1225330554 is about 35004.7218814834. The cubic root of 1225330554 is about 1070.0837137170.

Adding to 1225330554 its reverse (4550335221), we get a palindrome (5775665775).

The spelling of 1225330554 in words is "one billion, two hundred twenty-five million, three hundred thirty thousand, five hundred fifty-four".