2498900122 has 4 divisors (see below), whose sum is σ = 3748350186. Its totient is φ = 1249450060.

The previous prime is 2498900119. The next prime is 2498900137. The reversal of 2498900122 is 2210098942.

It is a Cunningham number, because it is equal to 49989²+1.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2210098942 = 2 ⋅1105049471.

It can be written as a sum of positive squares in only one way, i.e., 2498900121 + 1 = 49989^2 + 1^2 .

It is a super-2 number, since 2×2498900122² = 12489003639463229768, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 624725029 + ... + 624725032.

Almost surely, 2^2498900122 is an apocalyptic number.

2498900122 is a deficient number, since it is larger than the sum of its proper divisors (1249450064).

2498900122 is a wasteful number, since it uses less digits than its factorization.

2498900122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1249450063.

The product of its (nonzero) digits is 20736, while the sum is 37.

The square root of 2498900122 is about 49989.0000100022. Note that the first 4 decimals coincide. The cubic root of 2498900122 is about 1357.0097438871.

The spelling of 2498900122 in words is "two billion, four hundred ninety-eight million, nine hundred thousand, one hundred twenty-two".