1220294395 has 16 divisors (see below), whose sum is σ = 1491452352. Its totient is φ = 958289920.

The previous prime is 1220294351. The next prime is 1220294401. The reversal of 1220294395 is 5934920221.

It is a de Polignac number, because none of the positive numbers 2^k-1220294395 is a prime.

It is a Duffinian 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, 75339 + ... + 90091.

It is an arithmetic number, because the mean of its divisors is an integer number (93215772).

Almost surely, 2^1220294395 is an apocalyptic number.

1220294395 is a deficient number, since it is larger than the sum of its proper divisors (271157957).

1220294395 is a wasteful number, since it uses less digits than its factorization.

1220294395 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15062.

The product of its (nonzero) digits is 38880, while the sum is 37.

The square root of 1220294395 is about 34932.7123911099. The cubic root of 1220294395 is about 1068.6156712720.

The spelling of 1220294395 in words is "one billion, two hundred twenty million, two hundred ninety-four thousand, three hundred ninety-five".