1225552342 has 32 divisors (see below), whose sum is σ = 2167361280. Its totient is φ = 508891680.

The previous prime is 1225552313. The next prime is 1225552373. The reversal of 1225552342 is 2432555221.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46509 + ... + 67927.

It is an arithmetic number, because the mean of its divisors is an integer number (67730040).

Almost surely, 2^1225552342 is an apocalyptic number.

1225552342 is a deficient number, since it is larger than the sum of its proper divisors (941808938).

1225552342 is a wasteful number, since it uses less digits than its factorization.

1225552342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21556.

The product of its digits is 24000, while the sum is 31.

The square root of 1225552342 is about 35007.8897107495. The cubic root of 1225552342 is about 1070.1482724622.

The spelling of 1225552342 in words is "one billion, two hundred twenty-five million, five hundred fifty-two thousand, three hundred forty-two".