2429722 has 8 divisors (see below), whose sum is σ = 3655476. Its totient is φ = 1211232.

The previous prime is 2429717. The next prime is 2429723. The reversal of 2429722 is 2279242.

It can be written as a sum of positive squares in 2 ways, for example, as 2313441 + 116281 = 1521^2 + 341^2 .

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

It is an Ulam number.

It is a d-powerful number, because it can be written as 2¹² + 4² + 2¹⁶ + 9³ + 7² + 2¹⁸ + 2²¹ .

It is not an unprimeable number, because it can be changed into a prime (2429723) 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, 883 + ... + 2374.

2^2429722 is an apocalyptic number.

2429722 is a deficient number, since it is larger than the sum of its proper divisors (1225754).

2429722 is a wasteful number, since it uses less digits than its factorization.

2429722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3632.

The product of its digits is 4032, while the sum is 28.

The square root of 2429722 is about 1558.7565557200. The cubic root of 2429722 is about 134.4370153266.

The spelling of 2429722 in words is "two million, four hundred twenty-nine thousand, seven hundred twenty-two".