30122469 has 16 divisors (see below), whose sum is σ = 48059200. Its totient is φ = 18536688.

The previous prime is 30122461. The next prime is 30122507. The reversal of 30122469 is 96422103.

It is not a de Polignac number, because 30122469 - 2³ = 30122461 is a prime.

It is a super-2 number, since 2×30122469² = 1814726277311922, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30122461) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42559 + ... + 43260.

It is an arithmetic number, because the mean of its divisors is an integer number (3003700).

Almost surely, 2^30122469 is an apocalyptic number.

30122469 is a gapful number since it is divisible by the number (39) formed by its first and last digit.

It is an amenable number.

30122469 is a deficient number, since it is larger than the sum of its proper divisors (17936731).

30122469 is a wasteful number, since it uses less digits than its factorization.

30122469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85841 (or 85835 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 30122469 is about 5488.3940274000. The cubic root of 30122469 is about 311.1454983768.

The spelling of 30122469 in words is "thirty million, one hundred twenty-two thousand, four hundred sixty-nine".