30722465 has 4 divisors (see below), whose sum is σ = 36866964. Its totient is φ = 24577968.

The previous prime is 30722431. The next prime is 30722473. The reversal of 30722465 is 56422703.

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

It can be written as a sum of positive squares in 2 ways, for example, as 6210064 + 24512401 = 2492^2 + 4951^2 .

It is a cyclic number.

It is not a de Polignac number, because 30722465 - 2⁶ = 30722401 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3072242 + ... + 3072251.

It is an arithmetic number, because the mean of its divisors is an integer number (9216741).

Almost surely, 2^30722465 is an apocalyptic number.

It is an amenable number.

30722465 is a deficient number, since it is larger than the sum of its proper divisors (6144499).

30722465 is an equidigital number, since it uses as much as digits as its factorization.

30722465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6144498.

The product of its (nonzero) digits is 10080, while the sum is 29.

The square root of 30722465 is about 5542.7849498244. The cubic root of 30722465 is about 313.1977879347.

The spelling of 30722465 in words is "thirty million, seven hundred twenty-two thousand, four hundred sixty-five".