2238615 has 12 divisors (see below), whose sum is σ = 3880344. Its totient is φ = 1193904.

The previous prime is 2238589. The next prime is 2238619. The reversal of 2238615 is 5168322.

It is not a de Polignac number, because 2238615 - 2⁷ = 2238487 is a prime.

It is a super-2 number, since 2×2238615² = 10022794236450, which contains 22 as substring.

It is an Ulam number.

It is a d-powerful number, because it can be written as 2¹³ + 2¹⁷ + 3⁷ + 8⁷ + 6 + 1 + 5 .

2238615 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2238619) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24829 + ... + 24918.

It is an arithmetic number, because the mean of its divisors is an integer number (323362).

2^2238615 is an apocalyptic number.

2238615 is a deficient number, since it is larger than the sum of its proper divisors (1641729).

2238615 is a wasteful number, since it uses less digits than its factorization.

2238615 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49758 (or 49755 counting only the distinct ones).

The product of its digits is 2880, while the sum is 27.

The square root of 2238615 is about 1496.2001871407. The cubic root of 2238615 is about 130.8156800213.

It can be divided in two parts, 22386 and 15, that multiplied together give a triangular number (335790 = T₈₁₉).

The spelling of 2238615 in words is "two million, two hundred thirty-eight thousand, six hundred fifteen".