2221502 has 8 divisors (see below), whose sum is σ = 3403296. Its totient is φ = 1087072.

The previous prime is 2221459. The next prime is 2221507. The reversal of 2221502 is 2051222.

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

It is a super-2 number, since 2×2221502² = 9870142272008, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2221507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11723 + ... + 11910.

It is an arithmetic number, because the mean of its divisors is an integer number (425412).

2^2221502 is an apocalyptic number.

2221502 is a deficient number, since it is larger than the sum of its proper divisors (1181794).

2221502 is a wasteful number, since it uses less digits than its factorization.

2221502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23682.

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

The square root of 2221502 is about 1490.4703955463. The cubic root of 2221502 is about 130.4814886423.

Adding to 2221502 its reverse (2051222), we get a palindrome (4272724).

The spelling of 2221502 in words is "two million, two hundred twenty-one thousand, five hundred two".