28413622 has 4 divisors (see below), whose sum is σ = 42620436. Its totient is φ = 14206810.

The previous prime is 28413611. The next prime is 28413629. The reversal of 28413622 is 22631482.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 22631482 = 2 ⋅11315741.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28413629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7103404 + ... + 7103407.

It is an arithmetic number, because the mean of its divisors is an integer number (10655109).

Almost surely, 2^28413622 is an apocalyptic number.

28413622 is a deficient number, since it is larger than the sum of its proper divisors (14206814).

28413622 is a wasteful number, since it uses less digits than its factorization.

28413622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14206813.

The product of its digits is 4608, while the sum is 28.

The square root of 28413622 is about 5330.4429459474. The cubic root of 28413622 is about 305.1468324631.

The spelling of 28413622 in words is "twenty-eight million, four hundred thirteen thousand, six hundred twenty-two".