7422100890 has 96 divisors (see below), whose sum is σ = 19001836224. Its totient is φ = 1854996480.

The previous prime is 7422100849. The next prime is 7422100913. The reversal of 7422100890 is 980012247.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2226525 + ... + 2229855.

It is an arithmetic number, because the mean of its divisors is an integer number (197935794).

Almost surely, 2^7422100890 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7422100890, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9500918112).

7422100890 is an abundant number, since it is smaller than the sum of its proper divisors (11579735334).

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

7422100890 is a wasteful number, since it uses less digits than its factorization.

7422100890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3632 (or 3615 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 33.

The square root of 7422100890 is about 86151.6157132297. The cubic root of 7422100890 is about 1950.6332276160.

The spelling of 7422100890 in words is "seven billion, four hundred twenty-two million, one hundred thousand, eight hundred ninety".