1838222475 has 12 divisors (see below), whose sum is σ = 3039194616. Its totient is φ = 980385280.

The previous prime is 1838222423. The next prime is 1838222527. The reversal of 1838222475 is 5742228381.

It is an interprime number because it is at equal distance from previous prime (1838222423) and next prime (1838222527).

It is not a de Polignac number, because 1838222475 - 2¹³ = 1838214283 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12254742 + ... + 12254891.

It is an arithmetic number, because the mean of its divisors is an integer number (253266218).

Almost surely, 2^1838222475 is an apocalyptic number.

1838222475 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1838222475 is a deficient number, since it is larger than the sum of its proper divisors (1200972141).

1838222475 is a wasteful number, since it uses less digits than its factorization.

1838222475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24509646 (or 24509641 counting only the distinct ones).

The product of its digits is 215040, while the sum is 42.

The square root of 1838222475 is about 42874.4967900499. The cubic root of 1838222475 is about 1224.9904150298.

The spelling of 1838222475 in words is "one billion, eight hundred thirty-eight million, two hundred twenty-two thousand, four hundred seventy-five".