3215423442 has 64 divisors (see below), whose sum is σ = 8213280768. Its totient is φ = 814800000.

The previous prime is 3215423423. The next prime is 3215423467. The reversal of 3215423442 is 2443245123.

It is a super-2 number, since 2×3215423442² = 20677895822726254728, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 65934 + ... + 103817.

It is an arithmetic number, because the mean of its divisors is an integer number (128332512).

Almost surely, 2^3215423442 is an apocalyptic number.

3215423442 is an abundant number, since it is smaller than the sum of its proper divisors (4997857326).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3215423442 is a wasteful number, since it uses less digits than its factorization.

3215423442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169815.

The product of its digits is 23040, while the sum is 30.

The square root of 3215423442 is about 56704.7038789552. The cubic root of 3215423442 is about 1475.9763245224.

Adding to 3215423442 its reverse (2443245123), we get a palindrome (5658668565).

The spelling of 3215423442 in words is "three billion, two hundred fifteen million, four hundred twenty-three thousand, four hundred forty-two".