1225554454 has 16 divisors (see below), whose sum is σ = 1955041200. Its totient is φ = 574539264.

The previous prime is 1225554443. The next prime is 1225554509. The reversal of 1225554454 is 4544555221.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 162559 + ... + 169930.

It is an arithmetic number, because the mean of its divisors is an integer number (122190075).

Almost surely, 2^1225554454 is an apocalyptic number.

1225554454 is a deficient number, since it is larger than the sum of its proper divisors (729486746).

1225554454 is a wasteful number, since it uses less digits than its factorization.

1225554454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 332607.

The product of its digits is 160000, while the sum is 37.

The square root of 1225554454 is about 35007.9198753653. The cubic root of 1225554454 is about 1070.1488871923.

The spelling of 1225554454 in words is "one billion, two hundred twenty-five million, five hundred fifty-four thousand, four hundred fifty-four".