2220998951 has 2 divisors, whose sum is σ = 2220998952. Its totient is φ = 2220998950.

The previous prime is 2220998947. The next prime is 2220999007. The reversal of 2220998951 is 1598990222.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2220998951 - 2² = 2220998947 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2220998896 and 2220998905.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2220998911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1110499475 + 1110499476.

It is an arithmetic number, because the mean of its divisors is an integer number (1110499476).

Almost surely, 2^2220998951 is an apocalyptic number.

2220998951 is a deficient number, since it is larger than the sum of its proper divisors (1).

2220998951 is an equidigital number, since it uses as much as digits as its factorization.

2220998951 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 233280, while the sum is 47.

The square root of 2220998951 is about 47127.4755424052. The cubic root of 2220998951 is about 1304.7163891936.

The spelling of 2220998951 in words is "two billion, two hundred twenty million, nine hundred ninety-eight thousand, nine hundred fifty-one".