2224402 has 4 divisors (see below), whose sum is σ = 3336606. Its totient is φ = 1112200.

The previous prime is 2224379. The next prime is 2224429. The reversal of 2224402 is 2044222.

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

It can be written as a sum of positive squares in only one way, i.e., 1985281 + 239121 = 1409^2 + 489^2 .

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 556099 + ... + 556102.

2^2224402 is an apocalyptic number.

2224402 is a deficient number, since it is larger than the sum of its proper divisors (1112204).

2224402 is a wasteful number, since it uses less digits than its factorization.

2224402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1112203.

The product of its (nonzero) digits is 256, while the sum is 16.

The square root of 2224402 is about 1491.4429254920. The cubic root of 2224402 is about 130.5382418031.

Adding to 2224402 its reverse (2044222), we get a palindrome (4268624).

It can be divided in two parts, 222 and 4402, that added together give a square (4624 = 68²).

The spelling of 2224402 in words is "two million, two hundred twenty-four thousand, four hundred two".