2195621070 has 32 divisors (see below), whose sum is σ = 5411911968. Its totient is φ = 569674368.

The previous prime is 2195621041. The next prime is 2195621081. The reversal of 2195621070 is 701265912.

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, 987909 + ... + 990128.

It is an arithmetic number, because the mean of its divisors is an integer number (169122249).

Almost surely, 2^2195621070 is an apocalyptic number.

2195621070 is an abundant number, since it is smaller than the sum of its proper divisors (3216290898).

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

2195621070 is a wasteful number, since it uses less digits than its factorization.

2195621070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1978084.

The product of its (nonzero) digits is 7560, while the sum is 33.

The square root of 2195621070 is about 46857.4547964355. The cubic root of 2195621070 is about 1299.7279647747.

Adding to 2195621070 its reverse (701265912), we get a palindrome (2896886982).

The spelling of 2195621070 in words is "two billion, one hundred ninety-five million, six hundred twenty-one thousand, seventy".