2272442 has 4 divisors (see below), whose sum is σ = 3408666. Its totient is φ = 1136220.

The previous prime is 2272427. The next prime is 2272451. The reversal of 2272442 is 2442722.

It is a happy number.

2272442 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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., 1934881 + 337561 = 1391^2 + 581^2 .

It is an Ulam number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 568109 + ... + 568112.

2^2272442 is an apocalyptic number.

2272442 is a deficient number, since it is larger than the sum of its proper divisors (1136224).

2272442 is a wasteful number, since it uses less digits than its factorization.

2272442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1136223.

The product of its digits is 1792, while the sum is 23.

The square root of 2272442 is about 1507.4621056597. The cubic root of 2272442 is about 131.4712934972.

The spelling of 2272442 in words is "two million, two hundred seventy-two thousand, four hundred forty-two".