1425622042 has 16 divisors (see below), whose sum is σ = 2307564000. Its totient is φ = 656654832.

The previous prime is 1425622031. The next prime is 1425622127. The reversal of 1425622042 is 2402265241.

It is a self number, because there is not a number n which added to its sum of digits gives 1425622042.

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, 41968 + ... + 67915.

It is an arithmetic number, because the mean of its divisors is an integer number (144222750).

Almost surely, 2^1425622042 is an apocalyptic number.

1425622042 is a deficient number, since it is larger than the sum of its proper divisors (881941958).

1425622042 is a wasteful number, since it uses less digits than its factorization.

1425622042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110397.

The product of its (nonzero) digits is 7680, while the sum is 28.

The square root of 1425622042 is about 37757.4104249749. The cubic root of 1425622042 is about 1125.4722736794.

Adding to 1425622042 its reverse (2402265241), we get a palindrome (3827887283).

The spelling of 1425622042 in words is "one billion, four hundred twenty-five million, six hundred twenty-two thousand, forty-two".