2215622 has 4 divisors (see below), whose sum is σ = 3323436. Its totient is φ = 1107810.

The previous prime is 2215583. The next prime is 2215639. The reversal of 2215622 is 2265122.

2215622 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2265122 = 2 ⋅1132561.

It is a d-powerful number, because it can be written as 2³ + 2⁷ + 1 + 5⁹ + 6³ + 2¹⁷ + 2¹⁷ .

It is a junction number, because it is equal to n+sod(n) for n = 2215594 and 2215603.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 553904 + ... + 553907.

It is an arithmetic number, because the mean of its divisors is an integer number (830859).

2^2215622 is an apocalyptic number.

2215622 is a deficient number, since it is larger than the sum of its proper divisors (1107814).

2215622 is a wasteful number, since it uses less digits than its factorization.

2215622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1107813.

The product of its digits is 480, while the sum is 20.

The square root of 2215622 is about 1488.4965569325. The cubic root of 2215622 is about 130.3662649381.

The spelling of 2215622 in words is "two million, two hundred fifteen thousand, six hundred twenty-two".