302342421 has 16 divisors (see below), whose sum is σ = 430159040. Its totient is φ = 188334720.

The previous prime is 302342407. The next prime is 302342471. The reversal of 302342421 is 124243203.

It is not a de Polignac number, because 302342421 - 2¹³ = 302334229 is a prime.

It is a super-2 number, since 2×302342421² = 182821879072282482, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (302342471) 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, 32170 + ... + 40491.

It is an arithmetic number, because the mean of its divisors is an integer number (26884940).

Almost surely, 2^302342421 is an apocalyptic number.

It is an amenable number.

302342421 is a deficient number, since it is larger than the sum of its proper divisors (127816619).

302342421 is a wasteful number, since it uses less digits than its factorization.

302342421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72756.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 302342421 is about 17387.9964630776. The cubic root of 302342421 is about 671.1707613604.

Adding to 302342421 its reverse (124243203), we get a palindrome (426585624).

The spelling of 302342421 in words is "three hundred two million, three hundred forty-two thousand, four hundred twenty-one".