28422102 has 32 divisors (see below), whose sum is σ = 60125184. Its totient is φ = 8942400.

The previous prime is 28422101. The next prime is 28422103. The reversal of 28422102 is 20122482.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (28422101) and next prime (28422103).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28422101) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5763 + ... + 9489.

It is an arithmetic number, because the mean of its divisors is an integer number (1878912).

Almost surely, 2^28422102 is an apocalyptic number.

28422102 is an abundant number, since it is smaller than the sum of its proper divisors (31703082).

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

28422102 is a wasteful number, since it uses less digits than its factorization.

28422102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3804.

The product of its (nonzero) digits is 512, while the sum is 21.

The square root of 28422102 is about 5331.2383176894. The cubic root of 28422102 is about 305.1771863048.

Adding to 28422102 its reverse (20122482), we get a palindrome (48544584).

The spelling of 28422102 in words is "twenty-eight million, four hundred twenty-two thousand, one hundred two".