1141222554 has 32 divisors (see below), whose sum is σ = 2538432000. Its totient is φ = 380050272.

The previous prime is 1141222531. The next prime is 1141222567. The reversal of 1141222554 is 4552221411.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51607 + ... + 70325.

It is an arithmetic number, because the mean of its divisors is an integer number (79326000).

Almost surely, 2^1141222554 is an apocalyptic number.

1141222554 is an abundant number, since it is smaller than the sum of its proper divisors (1397209446).

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

1141222554 is a wasteful number, since it uses less digits than its factorization.

1141222554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19859 (or 19853 counting only the distinct ones).

The product of its digits is 3200, while the sum is 27.

The square root of 1141222554 is about 33781.9856432389. The cubic root of 1141222554 is about 1045.0172242912.

Adding to 1141222554 its reverse (4552221411), we get a palindrome (5693443965).

The spelling of 1141222554 in words is "one billion, one hundred forty-one million, two hundred twenty-two thousand, five hundred fifty-four".