2512222 has 8 divisors (see below), whose sum is σ = 3820176. Its totient is φ = 1238832.

The previous prime is 2512219. The next prime is 2512229. The reversal of 2512222 is 2222152.

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

It is a super-2 number, since 2×2512222² = 12622518754568, which contains 22 as substring.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 2512196 and 2512205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2512229) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8458 + ... + 8749.

It is an arithmetic number, because the mean of its divisors is an integer number (477522).

2^2512222 is an apocalyptic number.

2512222 is a deficient number, since it is larger than the sum of its proper divisors (1307954).

2512222 is a wasteful number, since it uses less digits than its factorization.

2512222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17282.

The product of its digits is 160, while the sum is 16.

The square root of 2512222 is about 1584.9990536275. Note that the first 3 decimals coincide. The cubic root of 2512222 is about 135.9416921330.

Adding to 2512222 its reverse (2222152), we get a palindrome (4734374).

The spelling of 2512222 in words is "two million, five hundred twelve thousand, two hundred twenty-two".