30220415 has 8 divisors (see below), whose sum is σ = 36305808. Its totient is φ = 24148800.

The previous prime is 30220397. The next prime is 30220429. The reversal of 30220415 is 51402203.

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

It is not a de Polignac number, because 30220415 - 2¹⁶ = 30154879 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30220393 and 30220402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2240 + ... + 8090.

It is an arithmetic number, because the mean of its divisors is an integer number (4538226).

Almost surely, 2^30220415 is an apocalyptic number.

30220415 is a deficient number, since it is larger than the sum of its proper divisors (6085393).

30220415 is a wasteful number, since it uses less digits than its factorization.

30220415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6889.

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 30220415 is about 5497.3097966187. The cubic root of 30220415 is about 311.4823729899.

Adding to 30220415 its reverse (51402203), we get a palindrome (81622618).

The spelling of 30220415 in words is "thirty million, two hundred twenty thousand, four hundred fifteen".