70220022331 has 4 divisors (see below), whose sum is σ = 73915813000. Its totient is φ = 66524231664.

The previous prime is 70220022319. The next prime is 70220022347. The reversal of 70220022331 is 13322002207.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 70220022331 - 2¹⁵ = 70219989563 is a prime.

It is a super-2 number, since 2×70220022331² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70220022371) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1847895306 + ... + 1847895343.

It is an arithmetic number, because the mean of its divisors is an integer number (18478953250).

Almost surely, 2^70220022331 is an apocalyptic number.

70220022331 is a deficient number, since it is larger than the sum of its proper divisors (3695790669).

70220022331 is a wasteful number, since it uses less digits than its factorization.

70220022331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3695790668.

The product of its (nonzero) digits is 1008, while the sum is 22.

Adding to 70220022331 its reverse (13322002207), we get a palindrome (83542024538).

The spelling of 70220022331 in words is "seventy billion, two hundred twenty million, twenty-two thousand, three hundred thirty-one".