8154422 has 4 divisors (see below), whose sum is σ = 12231636. Its totient is φ = 4077210.

The previous prime is 8154403. The next prime is 8154427. The reversal of 8154422 is 2244518.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2244518 = 2 ⋅1122259.

It is a junction number, because it is equal to n+sod(n) for n = 8154391 and 8154400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8154427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2038604 + ... + 2038607.

It is an arithmetic number, because the mean of its divisors is an integer number (3057909).

Almost surely, 2^8154422 is an apocalyptic number.

8154422 is a deficient number, since it is larger than the sum of its proper divisors (4077214).

8154422 is a wasteful number, since it uses less digits than its factorization.

8154422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4077213.

The product of its digits is 2560, while the sum is 26.

The square root of 8154422 is about 2855.5948592194. The cubic root of 8154422 is about 201.2786577504.

The spelling of 8154422 in words is "eight million, one hundred fifty-four thousand, four hundred twenty-two".