1422620345 has 32 divisors (see below), whose sum is σ = 1841786880. Its totient is φ = 1051626240.

The previous prime is 1422620323. The next prime is 1422620371. The reversal of 1422620345 is 5430262241.

It is a de Polignac number, because none of the positive numbers 2^k-1422620345 is a prime.

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, 734999 + ... + 736931.

It is an arithmetic number, because the mean of its divisors is an integer number (57555840).

Almost surely, 2^1422620345 is an apocalyptic number.

It is an amenable number.

1422620345 is a deficient number, since it is larger than the sum of its proper divisors (419166535).

1422620345 is a wasteful number, since it uses less digits than its factorization.

1422620345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2145.

The product of its (nonzero) digits is 11520, while the sum is 29.

The square root of 1422620345 is about 37717.6397061110. The cubic root of 1422620345 is about 1124.6818115777.

Adding to 1422620345 its reverse (5430262241), we get a palindrome (6852882586).

The spelling of 1422620345 in words is "one billion, four hundred twenty-two million, six hundred twenty thousand, three hundred forty-five".