4722149 has 4 divisors (see below), whose sum is σ = 4726560. Its totient is φ = 4717740.

The previous prime is 4722121. The next prime is 4722163. The reversal of 4722149 is 9412274.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 9412274 = 2 ⋅4706137.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4722149 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4722169) 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, 542 + ... + 3120.

It is an arithmetic number, because the mean of its divisors is an integer number (1181640).

Almost surely, 2^4722149 is an apocalyptic number.

It is an amenable number.

4722149 is a deficient number, since it is larger than the sum of its proper divisors (4411).

4722149 is a wasteful number, since it uses less digits than its factorization.

4722149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4410.

The product of its digits is 4032, while the sum is 29.

The square root of 4722149 is about 2173.0506206713. The cubic root of 4722149 is about 167.7695844459.

The spelling of 4722149 in words is "four million, seven hundred twenty-two thousand, one hundred forty-nine".