2501822 has 8 divisors (see below), whose sum is σ = 3973536. Its totient is φ = 1177312.

The previous prime is 2501819. The next prime is 2501833. The reversal of 2501822 is 2281052.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×2501822² = 12518226639368, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2501794 and 2501803.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36758 + ... + 36825.

It is an arithmetic number, because the mean of its divisors is an integer number (496692).

2^2501822 is an apocalyptic number.

2501822 is a deficient number, since it is larger than the sum of its proper divisors (1471714).

2501822 is a wasteful number, since it uses less digits than its factorization.

2501822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73602.

The product of its (nonzero) digits is 320, while the sum is 20.

The square root of 2501822 is about 1581.7148921345. The cubic root of 2501822 is about 135.7538439492.

Adding to 2501822 its reverse (2281052), we get a palindrome (4782874).

The spelling of 2501822 in words is "two million, five hundred one thousand, eight hundred twenty-two".