2501222 has 4 divisors (see below), whose sum is σ = 3751836. Its totient is φ = 1250610.

The previous prime is 2501201. The next prime is 2501243. The reversal of 2501222 is 2221052.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (2501201) and next prime (2501243).

It is a super-2 number, since 2×2501222² = 12512222986568, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2501197 and 2501206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 625304 + ... + 625307.

It is an arithmetic number, because the mean of its divisors is an integer number (937959).

2^2501222 is an apocalyptic number.

2501222 is a deficient number, since it is larger than the sum of its proper divisors (1250614).

2501222 is a wasteful number, since it uses less digits than its factorization.

2501222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1250613.

The product of its (nonzero) digits is 80, while the sum is 14.

The square root of 2501222 is about 1581.5252132040. The cubic root of 2501222 is about 135.7429906832.

Adding to 2501222 its reverse (2221052), we get a palindrome (4722274).

The spelling of 2501222 in words is "two million, five hundred one thousand, two hundred twenty-two".