2278511442 has 48 divisors (see below), whose sum is σ = 5029015680. Its totient is φ = 745357536.

The previous prime is 2278511437. The next prime is 2278511453. The reversal of 2278511442 is 2441158722.

It is a super-2 number, since 2×2278511442² = 10383228782649838728, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2278511397 and 2278511406.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 776983 + ... + 779909.

It is an arithmetic number, because the mean of its divisors is an integer number (104771160).

Almost surely, 2^2278511442 is an apocalyptic number.

2278511442 is an abundant number, since it is smaller than the sum of its proper divisors (2750504238).

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

2278511442 is a wasteful number, since it uses less digits than its factorization.

2278511442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3727 (or 3724 counting only the distinct ones).

The product of its digits is 35840, while the sum is 36.

The square root of 2278511442 is about 47733.7557918922. The cubic root of 2278511442 is about 1315.8823788625.

The spelling of 2278511442 in words is "two billion, two hundred seventy-eight million, five hundred eleven thousand, four hundred forty-two".